40200800

素因数分解:

$2^5\times 5^2\times {\mathrm{31}}^1\times {\mathrm{1621}}^1$

素因数の和:1672

約数の個数: 72

約数和(自身を含む): 101368512

約数和(自身を除く): 61167712

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 25, 31, 32, 40, 50, 62, 80, 100, 124, 155, 160, 200, 248, 310, 400, 496, 620, 775, 800, 992, 1240, 1550, 1621, 2480, 3100, 3242, 4960, 6200, 6484, 8105, 12400, 12968, 16210, 24800, 25936, 32420, 40525, 50251, 51872, 64840, 81050, 100502, 129680, 162100, 201004, 251255, 259360, 324200, 402008, 502510, 648400, 804016, 1005020, 1256275, 1296800, 1608032, 2010040, 2512550, 4020080, 5025100, 8040160, 10050200, 20100400, 40200800]

約数ペア:

[(1, 40200800), (2, 20100400), (4, 10050200), (5, 8040160), (8, 5025100), (10, 4020080), (16, 2512550), (20, 2010040), (25, 1608032), (31, 1296800), (32, 1256275), (40, 1005020), (50, 804016), (62, 648400), (80, 502510), (100, 402008), (124, 324200), (155, 259360), (160, 251255), (200, 201004), (248, 162100), (310, 129680), (400, 100502), (496, 81050), (620, 64840), (775, 51872), (800, 50251), (992, 40525), (1240, 32420), (1550, 25936), (1621, 24800), (2480, 16210), (3100, 12968), (3242, 12400), (4960, 8105), (6200, 6484)]