42884920

素因数分解:

$2^3\times 5^1\times {\mathrm{13}}^1\times {\mathrm{82471}}^1$

素因数の和:82495

約数の個数: 32

約数和(自身を含む): 103914720

約数和(自身を除く): 61029800

約数列:

[1, 2, 4, 5, 8, 10, 13, 20, 26, 40, 52, 65, 104, 130, 260, 520, 82471, 164942, 329884, 412355, 659768, 824710, 1072123, 1649420, 2144246, 3298840, 4288492, 5360615, 8576984, 10721230, 21442460, 42884920]

約数ペア:

[(1, 42884920), (2, 21442460), (4, 10721230), (5, 8576984), (8, 5360615), (10, 4288492), (13, 3298840), (20, 2144246), (26, 1649420), (40, 1072123), (52, 824710), (65, 659768), (104, 412355), (130, 329884), (260, 164942), (520, 82471)]