20172521200

素因数分解:

$2^4\times 5^2\times {\mathrm{13}}^1\times {\mathrm{43}}^1\times {\mathrm{90217}}^1$

素因数の和:90291

約数の個数: 120

約数和(自身を含む): 53406890768

約数和(自身を除く): 33234369568

約数列:

[1, 2, 4, 5, 8, 10, 13, 16, 20, 25, 26, 40, 43, 50, 52, 65, 80, 86, 100, 104, 130, 172, 200, 208, 215, 260, 325, 344, 400, 430, 520, 559, 650, 688, 860, 1040, 1075, 1118, 1300, 1720, 2150, 2236, 2600, 2795, 3440, 4300, 4472, 5200, 5590, 8600, 8944, 11180, 13975, 17200, 22360, 27950, 44720, 55900, 90217, 111800, 180434, 223600, 360868, 451085, 721736, 902170, 1172821, 1443472, 1804340, 2255425, 2345642, 3608680, 3879331, 4510850, 4691284, 5864105, 7217360, 7758662, 9021700, 9382568, 11728210, 15517324, 18043400, 18765136, 19396655, 23456420, 29320525, 31034648, 36086800, 38793310, 46912840, 50431303, 58641050, 62069296, 77586620, 93825680, 96983275, 100862606, 117282100, 155173240, 193966550, 201725212, 234564200, 252156515, 310346480, 387933100, 403450424, 469128400, 504313030, 775866200, 806900848, 1008626060, 1260782575, 1551732400, 2017252120, 2521565150, 4034504240, 5043130300, 10086260600, 20172521200]

約数ペア:

[(1, 20172521200), (2, 10086260600), (4, 5043130300), (5, 4034504240), (8, 2521565150), (10, 2017252120), (13, 1551732400), (16, 1260782575), (20, 1008626060), (25, 806900848), (26, 775866200), (40, 504313030), (43, 469128400), (50, 403450424), (52, 387933100), (65, 310346480), (80, 252156515), (86, 234564200), (100, 201725212), (104, 193966550), (130, 155173240), (172, 117282100), (200, 100862606), (208, 96983275), (215, 93825680), (260, 77586620), (325, 62069296), (344, 58641050), (400, 50431303), (430, 46912840), (520, 38793310), (559, 36086800), (650, 31034648), (688, 29320525), (860, 23456420), (1040, 19396655), (1075, 18765136), (1118, 18043400), (1300, 15517324), (1720, 11728210), (2150, 9382568), (2236, 9021700), (2600, 7758662), (2795, 7217360), (3440, 5864105), (4300, 4691284), (4472, 4510850), (5200, 3879331), (5590, 3608680), (8600, 2345642), (8944, 2255425), (11180, 1804340), (13975, 1443472), (17200, 1172821), (22360, 902170), (27950, 721736), (44720, 451085), (55900, 360868), (90217, 223600), (111800, 180434)]