13878800

素因数分解:

$2^4\times 5^2\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{157}}^1$

素因数の和:205

約数の個数: 120

約数和(自身を含む): 38263176

約数和(自身を除く): 24384376

約数列:

[1, 2, 4, 5, 8, 10, 13, 16, 17, 20, 25, 26, 34, 40, 50, 52, 65, 68, 80, 85, 100, 104, 130, 136, 157, 170, 200, 208, 221, 260, 272, 314, 325, 340, 400, 425, 442, 520, 628, 650, 680, 785, 850, 884, 1040, 1105, 1256, 1300, 1360, 1570, 1700, 1768, 2041, 2210, 2512, 2600, 2669, 3140, 3400, 3536, 3925, 4082, 4420, 5200, 5338, 5525, 6280, 6800, 7850, 8164, 8840, 10205, 10676, 11050, 12560, 13345, 15700, 16328, 17680, 20410, 21352, 22100, 26690, 31400, 32656, 34697, 40820, 42704, 44200, 51025, 53380, 62800, 66725, 69394, 81640, 88400, 102050, 106760, 133450, 138788, 163280, 173485, 204100, 213520, 266900, 277576, 346970, 408200, 533800, 555152, 693940, 816400, 867425, 1067600, 1387880, 1734850, 2775760, 3469700, 6939400, 13878800]

約数ペア:

[(1, 13878800), (2, 6939400), (4, 3469700), (5, 2775760), (8, 1734850), (10, 1387880), (13, 1067600), (16, 867425), (17, 816400), (20, 693940), (25, 555152), (26, 533800), (34, 408200), (40, 346970), (50, 277576), (52, 266900), (65, 213520), (68, 204100), (80, 173485), (85, 163280), (100, 138788), (104, 133450), (130, 106760), (136, 102050), (157, 88400), (170, 81640), (200, 69394), (208, 66725), (221, 62800), (260, 53380), (272, 51025), (314, 44200), (325, 42704), (340, 40820), (400, 34697), (425, 32656), (442, 31400), (520, 26690), (628, 22100), (650, 21352), (680, 20410), (785, 17680), (850, 16328), (884, 15700), (1040, 13345), (1105, 12560), (1256, 11050), (1300, 10676), (1360, 10205), (1570, 8840), (1700, 8164), (1768, 7850), (2041, 6800), (2210, 6280), (2512, 5525), (2600, 5338), (2669, 5200), (3140, 4420), (3400, 4082), (3536, 3925)]