25060400

素因数分解:

$2^4\times 5^2\times {\mathrm{31}}^1\times {\mathrm{43}}^1\times {\mathrm{47}}^1$

素因数の和:139

約数の個数: 120

約数和(自身を含む): 64948224

約数和(自身を除く): 39887824

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 25, 31, 40, 43, 47, 50, 62, 80, 86, 94, 100, 124, 155, 172, 188, 200, 215, 235, 248, 310, 344, 376, 400, 430, 470, 496, 620, 688, 752, 775, 860, 940, 1075, 1175, 1240, 1333, 1457, 1550, 1720, 1880, 2021, 2150, 2350, 2480, 2666, 2914, 3100, 3440, 3760, 4042, 4300, 4700, 5332, 5828, 6200, 6665, 7285, 8084, 8600, 9400, 10105, 10664, 11656, 12400, 13330, 14570, 16168, 17200, 18800, 20210, 21328, 23312, 26660, 29140, 32336, 33325, 36425, 40420, 50525, 53320, 58280, 62651, 66650, 72850, 80840, 101050, 106640, 116560, 125302, 133300, 145700, 161680, 202100, 250604, 266600, 291400, 313255, 404200, 501208, 533200, 582800, 626510, 808400, 1002416, 1253020, 1566275, 2506040, 3132550, 5012080, 6265100, 12530200, 25060400]

約数ペア:

[(1, 25060400), (2, 12530200), (4, 6265100), (5, 5012080), (8, 3132550), (10, 2506040), (16, 1566275), (20, 1253020), (25, 1002416), (31, 808400), (40, 626510), (43, 582800), (47, 533200), (50, 501208), (62, 404200), (80, 313255), (86, 291400), (94, 266600), (100, 250604), (124, 202100), (155, 161680), (172, 145700), (188, 133300), (200, 125302), (215, 116560), (235, 106640), (248, 101050), (310, 80840), (344, 72850), (376, 66650), (400, 62651), (430, 58280), (470, 53320), (496, 50525), (620, 40420), (688, 36425), (752, 33325), (775, 32336), (860, 29140), (940, 26660), (1075, 23312), (1175, 21328), (1240, 20210), (1333, 18800), (1457, 17200), (1550, 16168), (1720, 14570), (1880, 13330), (2021, 12400), (2150, 11656), (2350, 10664), (2480, 10105), (2666, 9400), (2914, 8600), (3100, 8084), (3440, 7285), (3760, 6665), (4042, 6200), (4300, 5828), (4700, 5332)]