156725578420

素因数分解:

$2^2\times 5^1\times {\mathrm{31}}^1\times {\mathrm{2521}}^1\times {\mathrm{100271}}^1$

素因数の和:102832

約数の個数: 48

約数和(自身を含む): 339878762496

約数和(自身を除く): 183153184076

約数列:

[1, 2, 4, 5, 10, 20, 31, 62, 124, 155, 310, 620, 2521, 5042, 10084, 12605, 25210, 50420, 78151, 100271, 156302, 200542, 312604, 390755, 401084, 501355, 781510, 1002710, 1563020, 2005420, 3108401, 6216802, 12433604, 15542005, 31084010, 62168020, 252783191, 505566382, 1011132764, 1263915955, 2527831910, 5055663820, 7836278921, 15672557842, 31345115684, 39181394605, 78362789210, 156725578420]

約数ペア:

[(1, 156725578420), (2, 78362789210), (4, 39181394605), (5, 31345115684), (10, 15672557842), (20, 7836278921), (31, 5055663820), (62, 2527831910), (124, 1263915955), (155, 1011132764), (310, 505566382), (620, 252783191), (2521, 62168020), (5042, 31084010), (10084, 15542005), (12605, 12433604), (25210, 6216802), (50420, 3108401), (78151, 2005420), (100271, 1563020), (156302, 1002710), (200542, 781510), (312604, 501355), (390755, 401084)]