9931480

素因数分解:

$2^3\times 5^1\times {\mathrm{13}}^1\times {\mathrm{71}}^1\times {\mathrm{269}}^1$

素因数の和:364

約数の個数: 64

約数和(自身を含む): 24494400

約数和(自身を除く): 14562920

約数列:

[1, 2, 4, 5, 8, 10, 13, 20, 26, 40, 52, 65, 71, 104, 130, 142, 260, 269, 284, 355, 520, 538, 568, 710, 923, 1076, 1345, 1420, 1846, 2152, 2690, 2840, 3497, 3692, 4615, 5380, 6994, 7384, 9230, 10760, 13988, 17485, 18460, 19099, 27976, 34970, 36920, 38198, 69940, 76396, 95495, 139880, 152792, 190990, 248287, 381980, 496574, 763960, 993148, 1241435, 1986296, 2482870, 4965740, 9931480]

約数ペア:

[(1, 9931480), (2, 4965740), (4, 2482870), (5, 1986296), (8, 1241435), (10, 993148), (13, 763960), (20, 496574), (26, 381980), (40, 248287), (52, 190990), (65, 152792), (71, 139880), (104, 95495), (130, 76396), (142, 69940), (260, 38198), (269, 36920), (284, 34970), (355, 27976), (520, 19099), (538, 18460), (568, 17485), (710, 13988), (923, 10760), (1076, 9230), (1345, 7384), (1420, 6994), (1846, 5380), (2152, 4615), (2690, 3692), (2840, 3497)]