25570040

素因数分解:

$2^3\times 5^1\times {\mathrm{17}}^1\times {\mathrm{31}}^1\times {\mathrm{1213}}^1$

素因数の和:1272

約数の個数: 64

約数和(自身を含む): 62933760

約数和(自身を除く): 37363720

約数列:

[1, 2, 4, 5, 8, 10, 17, 20, 31, 34, 40, 62, 68, 85, 124, 136, 155, 170, 248, 310, 340, 527, 620, 680, 1054, 1213, 1240, 2108, 2426, 2635, 4216, 4852, 5270, 6065, 9704, 10540, 12130, 20621, 21080, 24260, 37603, 41242, 48520, 75206, 82484, 103105, 150412, 164968, 188015, 206210, 300824, 376030, 412420, 639251, 752060, 824840, 1278502, 1504120, 2557004, 3196255, 5114008, 6392510, 12785020, 25570040]

約数ペア:

[(1, 25570040), (2, 12785020), (4, 6392510), (5, 5114008), (8, 3196255), (10, 2557004), (17, 1504120), (20, 1278502), (31, 824840), (34, 752060), (40, 639251), (62, 412420), (68, 376030), (85, 300824), (124, 206210), (136, 188015), (155, 164968), (170, 150412), (248, 103105), (310, 82484), (340, 75206), (527, 48520), (620, 41242), (680, 37603), (1054, 24260), (1213, 21080), (1240, 20621), (2108, 12130), (2426, 10540), (2635, 9704), (4216, 6065), (4852, 5270)]