82590040

素因数分解:

$2^3\times 5^1\times {\mathrm{13}}^1\times {\mathrm{71}}^1\times {\mathrm{2237}}^1$

素因数の和:2332

約数の個数: 64

約数和(自身を含む): 203031360

約数和(自身を除く): 120441320

約数列:

[1, 2, 4, 5, 8, 10, 13, 20, 26, 40, 52, 65, 71, 104, 130, 142, 260, 284, 355, 520, 568, 710, 923, 1420, 1846, 2237, 2840, 3692, 4474, 4615, 7384, 8948, 9230, 11185, 17896, 18460, 22370, 29081, 36920, 44740, 58162, 89480, 116324, 145405, 158827, 232648, 290810, 317654, 581620, 635308, 794135, 1163240, 1270616, 1588270, 2064751, 3176540, 4129502, 6353080, 8259004, 10323755, 16518008, 20647510, 41295020, 82590040]

約数ペア:

[(1, 82590040), (2, 41295020), (4, 20647510), (5, 16518008), (8, 10323755), (10, 8259004), (13, 6353080), (20, 4129502), (26, 3176540), (40, 2064751), (52, 1588270), (65, 1270616), (71, 1163240), (104, 794135), (130, 635308), (142, 581620), (260, 317654), (284, 290810), (355, 232648), (520, 158827), (568, 145405), (710, 116324), (923, 89480), (1420, 58162), (1846, 44740), (2237, 36920), (2840, 29081), (3692, 22370), (4474, 18460), (4615, 17896), (7384, 11185), (8948, 9230)]