40017640

素因数分解:

$2^3\times 5^1\times {\mathrm{13}}^1\times {\mathrm{41}}^1\times {\mathrm{1877}}^1$

素因数の和:1942

約数の個数: 64

約数和(自身を含む): 99383760

約数和(自身を除く): 59366120

約数列:

[1, 2, 4, 5, 8, 10, 13, 20, 26, 40, 41, 52, 65, 82, 104, 130, 164, 205, 260, 328, 410, 520, 533, 820, 1066, 1640, 1877, 2132, 2665, 3754, 4264, 5330, 7508, 9385, 10660, 15016, 18770, 21320, 24401, 37540, 48802, 75080, 76957, 97604, 122005, 153914, 195208, 244010, 307828, 384785, 488020, 615656, 769570, 976040, 1000441, 1539140, 2000882, 3078280, 4001764, 5002205, 8003528, 10004410, 20008820, 40017640]

約数ペア:

[(1, 40017640), (2, 20008820), (4, 10004410), (5, 8003528), (8, 5002205), (10, 4001764), (13, 3078280), (20, 2000882), (26, 1539140), (40, 1000441), (41, 976040), (52, 769570), (65, 615656), (82, 488020), (104, 384785), (130, 307828), (164, 244010), (205, 195208), (260, 153914), (328, 122005), (410, 97604), (520, 76957), (533, 75080), (820, 48802), (1066, 37540), (1640, 24401), (1877, 21320), (2132, 18770), (2665, 15016), (3754, 10660), (4264, 9385), (5330, 7508)]