4151680

素因数分解:

$2^7\times 5^1\times {\mathrm{13}}^1\times {\mathrm{499}}^1$

素因数の和:531

約数の個数: 64

約数和(自身を含む): 10710000

約数和(自身を除く): 6558320

約数列:

[1, 2, 4, 5, 8, 10, 13, 16, 20, 26, 32, 40, 52, 64, 65, 80, 104, 128, 130, 160, 208, 260, 320, 416, 499, 520, 640, 832, 998, 1040, 1664, 1996, 2080, 2495, 3992, 4160, 4990, 6487, 7984, 8320, 9980, 12974, 15968, 19960, 25948, 31936, 32435, 39920, 51896, 63872, 64870, 79840, 103792, 129740, 159680, 207584, 259480, 319360, 415168, 518960, 830336, 1037920, 2075840, 4151680]

約数ペア:

[(1, 4151680), (2, 2075840), (4, 1037920), (5, 830336), (8, 518960), (10, 415168), (13, 319360), (16, 259480), (20, 207584), (26, 159680), (32, 129740), (40, 103792), (52, 79840), (64, 64870), (65, 63872), (80, 51896), (104, 39920), (128, 32435), (130, 31936), (160, 25948), (208, 19960), (260, 15968), (320, 12974), (416, 9980), (499, 8320), (520, 7984), (640, 6487), (832, 4990), (998, 4160), (1040, 3992), (1664, 2495), (1996, 2080)]