40456520

素因数分解:

$2^3\times 5^1\times {\mathrm{13}}^1\times {\mathrm{77801}}^1$

素因数の和:77825

約数の個数: 32

約数和(自身を含む): 98030520

約数和(自身を除く): 57574000

約数列:

[1, 2, 4, 5, 8, 10, 13, 20, 26, 40, 52, 65, 104, 130, 260, 520, 77801, 155602, 311204, 389005, 622408, 778010, 1011413, 1556020, 2022826, 3112040, 4045652, 5057065, 8091304, 10114130, 20228260, 40456520]

約数ペア:

[(1, 40456520), (2, 20228260), (4, 10114130), (5, 8091304), (8, 5057065), (10, 4045652), (13, 3112040), (20, 2022826), (26, 1556020), (40, 1011413), (52, 778010), (65, 622408), (104, 389005), (130, 311204), (260, 155602), (520, 77801)]