8872240

素因数分解:

$2^4\times 5^1\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{449}}^1$

素因数の和:494

約数の個数: 80

約数和(自身を含む): 23436000

約数和(自身を除く): 14563760

約数列:

[1, 2, 4, 5, 8, 10, 13, 16, 19, 20, 26, 38, 40, 52, 65, 76, 80, 95, 104, 130, 152, 190, 208, 247, 260, 304, 380, 449, 494, 520, 760, 898, 988, 1040, 1235, 1520, 1796, 1976, 2245, 2470, 3592, 3952, 4490, 4940, 5837, 7184, 8531, 8980, 9880, 11674, 17062, 17960, 19760, 23348, 29185, 34124, 35920, 42655, 46696, 58370, 68248, 85310, 93392, 110903, 116740, 136496, 170620, 221806, 233480, 341240, 443612, 466960, 554515, 682480, 887224, 1109030, 1774448, 2218060, 4436120, 8872240]

約数ペア:

[(1, 8872240), (2, 4436120), (4, 2218060), (5, 1774448), (8, 1109030), (10, 887224), (13, 682480), (16, 554515), (19, 466960), (20, 443612), (26, 341240), (38, 233480), (40, 221806), (52, 170620), (65, 136496), (76, 116740), (80, 110903), (95, 93392), (104, 85310), (130, 68248), (152, 58370), (190, 46696), (208, 42655), (247, 35920), (260, 34124), (304, 29185), (380, 23348), (449, 19760), (494, 17960), (520, 17062), (760, 11674), (898, 9880), (988, 8980), (1040, 8531), (1235, 7184), (1520, 5837), (1796, 4940), (1976, 4490), (2245, 3952), (2470, 3592)]