65956840

素因数分解:

$2^3\times 5^1\times {\mathrm{31}}^1\times {\mathrm{43}}^1\times {\mathrm{1237}}^1$

素因数の和:1322

約数の個数: 64

約数和(自身を含む): 156879360

約数和(自身を除く): 90922520

約数列:

[1, 2, 4, 5, 8, 10, 20, 31, 40, 43, 62, 86, 124, 155, 172, 215, 248, 310, 344, 430, 620, 860, 1237, 1240, 1333, 1720, 2474, 2666, 4948, 5332, 6185, 6665, 9896, 10664, 12370, 13330, 24740, 26660, 38347, 49480, 53191, 53320, 76694, 106382, 153388, 191735, 212764, 265955, 306776, 383470, 425528, 531910, 766940, 1063820, 1533880, 1648921, 2127640, 3297842, 6595684, 8244605, 13191368, 16489210, 32978420, 65956840]

約数ペア:

[(1, 65956840), (2, 32978420), (4, 16489210), (5, 13191368), (8, 8244605), (10, 6595684), (20, 3297842), (31, 2127640), (40, 1648921), (43, 1533880), (62, 1063820), (86, 766940), (124, 531910), (155, 425528), (172, 383470), (215, 306776), (248, 265955), (310, 212764), (344, 191735), (430, 153388), (620, 106382), (860, 76694), (1237, 53320), (1240, 53191), (1333, 49480), (1720, 38347), (2474, 26660), (2666, 24740), (4948, 13330), (5332, 12370), (6185, 10664), (6665, 9896)]