85978880

素因数分解:

$2^8\times 5^1\times {\mathrm{13}}^1\times {\mathrm{5167}}^1$

素因数の和:5201

約数の個数: 72

約数和(自身を含む): 221831232

約数和(自身を除く): 135852352

約数列:

[1, 2, 4, 5, 8, 10, 13, 16, 20, 26, 32, 40, 52, 64, 65, 80, 104, 128, 130, 160, 208, 256, 260, 320, 416, 520, 640, 832, 1040, 1280, 1664, 2080, 3328, 4160, 5167, 8320, 10334, 16640, 20668, 25835, 41336, 51670, 67171, 82672, 103340, 134342, 165344, 206680, 268684, 330688, 335855, 413360, 537368, 661376, 671710, 826720, 1074736, 1322752, 1343420, 1653440, 2149472, 2686840, 3306880, 4298944, 5373680, 6613760, 8597888, 10747360, 17195776, 21494720, 42989440, 85978880]

約数ペア:

[(1, 85978880), (2, 42989440), (4, 21494720), (5, 17195776), (8, 10747360), (10, 8597888), (13, 6613760), (16, 5373680), (20, 4298944), (26, 3306880), (32, 2686840), (40, 2149472), (52, 1653440), (64, 1343420), (65, 1322752), (80, 1074736), (104, 826720), (128, 671710), (130, 661376), (160, 537368), (208, 413360), (256, 335855), (260, 330688), (320, 268684), (416, 206680), (520, 165344), (640, 134342), (832, 103340), (1040, 82672), (1280, 67171), (1664, 51670), (2080, 41336), (3328, 25835), (4160, 20668), (5167, 16640), (8320, 10334)]