2022374720

素因数分解:

$2^6\times 5^1\times {\mathrm{79}}^1\times {\mathrm{79999}}^1$

素因数の和:80095

約数の個数: 56

約数和(自身を含む): 4876800000

約数和(自身を除く): 2854425280

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 64, 79, 80, 158, 160, 316, 320, 395, 632, 790, 1264, 1580, 2528, 3160, 5056, 6320, 12640, 25280, 79999, 159998, 319996, 399995, 639992, 799990, 1279984, 1599980, 2559968, 3199960, 5119936, 6319921, 6399920, 12639842, 12799840, 25279684, 25599680, 31599605, 50559368, 63199210, 101118736, 126398420, 202237472, 252796840, 404474944, 505593680, 1011187360, 2022374720]

約数ペア:

[(1, 2022374720), (2, 1011187360), (4, 505593680), (5, 404474944), (8, 252796840), (10, 202237472), (16, 126398420), (20, 101118736), (32, 63199210), (40, 50559368), (64, 31599605), (79, 25599680), (80, 25279684), (158, 12799840), (160, 12639842), (316, 6399920), (320, 6319921), (395, 5119936), (632, 3199960), (790, 2559968), (1264, 1599980), (1580, 1279984), (2528, 799990), (3160, 639992), (5056, 399995), (6320, 319996), (12640, 159998), (25280, 79999)]