4159480

素因数分解:

$2^3\times 5^1\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{421}}^1$

素因数の和:464

約数の個数: 64

約数和(自身を含む): 10634400

約数和(自身を除く): 6474920

約数列:

[1, 2, 4, 5, 8, 10, 13, 19, 20, 26, 38, 40, 52, 65, 76, 95, 104, 130, 152, 190, 247, 260, 380, 421, 494, 520, 760, 842, 988, 1235, 1684, 1976, 2105, 2470, 3368, 4210, 4940, 5473, 7999, 8420, 9880, 10946, 15998, 16840, 21892, 27365, 31996, 39995, 43784, 54730, 63992, 79990, 103987, 109460, 159980, 207974, 218920, 319960, 415948, 519935, 831896, 1039870, 2079740, 4159480]

約数ペア:

[(1, 4159480), (2, 2079740), (4, 1039870), (5, 831896), (8, 519935), (10, 415948), (13, 319960), (19, 218920), (20, 207974), (26, 159980), (38, 109460), (40, 103987), (52, 79990), (65, 63992), (76, 54730), (95, 43784), (104, 39995), (130, 31996), (152, 27365), (190, 21892), (247, 16840), (260, 15998), (380, 10946), (421, 9880), (494, 8420), (520, 7999), (760, 5473), (842, 4940), (988, 4210), (1235, 3368), (1684, 2470), (1976, 2105)]