123220040

素因数分解:

$2^3\times 5^1\times {\mathrm{31}}^1\times {\mathrm{99371}}^1$

素因数の和:99413

約数の個数: 32

約数和(自身を含む): 286191360

約数和(自身を除く): 162971320

約数列:

[1, 2, 4, 5, 8, 10, 20, 31, 40, 62, 124, 155, 248, 310, 620, 1240, 99371, 198742, 397484, 496855, 794968, 993710, 1987420, 3080501, 3974840, 6161002, 12322004, 15402505, 24644008, 30805010, 61610020, 123220040]

約数ペア:

[(1, 123220040), (2, 61610020), (4, 30805010), (5, 24644008), (8, 15402505), (10, 12322004), (20, 6161002), (31, 3974840), (40, 3080501), (62, 1987420), (124, 993710), (155, 794968), (248, 496855), (310, 397484), (620, 198742), (1240, 99371)]