4965740

素因数分解:

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

素因数の和:362

約数の個数: 48

約数和(自身を含む): 11430720

約数和(自身を除く): 6464980

約数列:

[1, 2, 4, 5, 10, 13, 20, 26, 52, 65, 71, 130, 142, 260, 269, 284, 355, 538, 710, 923, 1076, 1345, 1420, 1846, 2690, 3497, 3692, 4615, 5380, 6994, 9230, 13988, 17485, 18460, 19099, 34970, 38198, 69940, 76396, 95495, 190990, 248287, 381980, 496574, 993148, 1241435, 2482870, 4965740]

約数ペア:

[(1, 4965740), (2, 2482870), (4, 1241435), (5, 993148), (10, 496574), (13, 381980), (20, 248287), (26, 190990), (52, 95495), (65, 76396), (71, 69940), (130, 38198), (142, 34970), (260, 19099), (269, 18460), (284, 17485), (355, 13988), (538, 9230), (710, 6994), (923, 5380), (1076, 4615), (1345, 3692), (1420, 3497), (1846, 2690)]