164047280

素因数分解:

$2^4\times 5^1\times {\mathrm{17}}^1\times {\mathrm{120623}}^1$

素因数の和:120653

約数の個数: 40

約数和(自身を含む): 403849152

約数和(自身を除く): 239801872

約数列:

[1, 2, 4, 5, 8, 10, 16, 17, 20, 34, 40, 68, 80, 85, 136, 170, 272, 340, 680, 1360, 120623, 241246, 482492, 603115, 964984, 1206230, 1929968, 2050591, 2412460, 4101182, 4824920, 8202364, 9649840, 10252955, 16404728, 20505910, 32809456, 41011820, 82023640, 164047280]

約数ペア:

[(1, 164047280), (2, 82023640), (4, 41011820), (5, 32809456), (8, 20505910), (10, 16404728), (16, 10252955), (17, 9649840), (20, 8202364), (34, 4824920), (40, 4101182), (68, 2412460), (80, 2050591), (85, 1929968), (136, 1206230), (170, 964984), (272, 603115), (340, 482492), (680, 241246), (1360, 120623)]