2017252120

素因数分解:

$2^3\times 5^1\times {\mathrm{13}}^1\times {\mathrm{43}}^1\times {\mathrm{90217}}^1$

素因数の和:90284

約数の個数: 64

約数和(自身を含む): 5001685920

約数和(自身を除く): 2984433800

約数列:

[1, 2, 4, 5, 8, 10, 13, 20, 26, 40, 43, 52, 65, 86, 104, 130, 172, 215, 260, 344, 430, 520, 559, 860, 1118, 1720, 2236, 2795, 4472, 5590, 11180, 22360, 90217, 180434, 360868, 451085, 721736, 902170, 1172821, 1804340, 2345642, 3608680, 3879331, 4691284, 5864105, 7758662, 9382568, 11728210, 15517324, 19396655, 23456420, 31034648, 38793310, 46912840, 50431303, 77586620, 100862606, 155173240, 201725212, 252156515, 403450424, 504313030, 1008626060, 2017252120]

約数ペア:

[(1, 2017252120), (2, 1008626060), (4, 504313030), (5, 403450424), (8, 252156515), (10, 201725212), (13, 155173240), (20, 100862606), (26, 77586620), (40, 50431303), (43, 46912840), (52, 38793310), (65, 31034648), (86, 23456420), (104, 19396655), (130, 15517324), (172, 11728210), (215, 9382568), (260, 7758662), (344, 5864105), (430, 4691284), (520, 3879331), (559, 3608680), (860, 2345642), (1118, 1804340), (1720, 1172821), (2236, 902170), (2795, 721736), (4472, 451085), (5590, 360868), (11180, 180434), (22360, 90217)]