16637920

素因数分解:

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

素因数の和:468

約数の個数: 96

約数和(自身を含む): 44664480

約数和(自身を除く): 28026560

約数列:

[1, 2, 4, 5, 8, 10, 13, 16, 19, 20, 26, 32, 38, 40, 52, 65, 76, 80, 95, 104, 130, 152, 160, 190, 208, 247, 260, 304, 380, 416, 421, 494, 520, 608, 760, 842, 988, 1040, 1235, 1520, 1684, 1976, 2080, 2105, 2470, 3040, 3368, 3952, 4210, 4940, 5473, 6736, 7904, 7999, 8420, 9880, 10946, 13472, 15998, 16840, 19760, 21892, 27365, 31996, 33680, 39520, 39995, 43784, 54730, 63992, 67360, 79990, 87568, 103987, 109460, 127984, 159980, 175136, 207974, 218920, 255968, 319960, 415948, 437840, 519935, 639920, 831896, 875680, 1039870, 1279840, 1663792, 2079740, 3327584, 4159480, 8318960, 16637920]

約数ペア:

[(1, 16637920), (2, 8318960), (4, 4159480), (5, 3327584), (8, 2079740), (10, 1663792), (13, 1279840), (16, 1039870), (19, 875680), (20, 831896), (26, 639920), (32, 519935), (38, 437840), (40, 415948), (52, 319960), (65, 255968), (76, 218920), (80, 207974), (95, 175136), (104, 159980), (130, 127984), (152, 109460), (160, 103987), (190, 87568), (208, 79990), (247, 67360), (260, 63992), (304, 54730), (380, 43784), (416, 39995), (421, 39520), (494, 33680), (520, 31996), (608, 27365), (760, 21892), (842, 19760), (988, 16840), (1040, 15998), (1235, 13472), (1520, 10946), (1684, 9880), (1976, 8420), (2080, 7999), (2105, 7904), (2470, 6736), (3040, 5473), (3368, 4940), (3952, 4210)]