82806880

素因数分解:

$2^5\times 5^1\times {\mathrm{13}}^1\times {\mathrm{41}}^1\times {\mathrm{971}}^1$

素因数の和:1040

約数の個数: 96

約数和(自身を含む): 216040608

約数和(自身を除く): 133233728

約数列:

[1, 2, 4, 5, 8, 10, 13, 16, 20, 26, 32, 40, 41, 52, 65, 80, 82, 104, 130, 160, 164, 205, 208, 260, 328, 410, 416, 520, 533, 656, 820, 971, 1040, 1066, 1312, 1640, 1942, 2080, 2132, 2665, 3280, 3884, 4264, 4855, 5330, 6560, 7768, 8528, 9710, 10660, 12623, 15536, 17056, 19420, 21320, 25246, 31072, 38840, 39811, 42640, 50492, 63115, 77680, 79622, 85280, 100984, 126230, 155360, 159244, 199055, 201968, 252460, 318488, 398110, 403936, 504920, 517543, 636976, 796220, 1009840, 1035086, 1273952, 1592440, 2019680, 2070172, 2587715, 3184880, 4140344, 5175430, 6369760, 8280688, 10350860, 16561376, 20701720, 41403440, 82806880]

約数ペア:

[(1, 82806880), (2, 41403440), (4, 20701720), (5, 16561376), (8, 10350860), (10, 8280688), (13, 6369760), (16, 5175430), (20, 4140344), (26, 3184880), (32, 2587715), (40, 2070172), (41, 2019680), (52, 1592440), (65, 1273952), (80, 1035086), (82, 1009840), (104, 796220), (130, 636976), (160, 517543), (164, 504920), (205, 403936), (208, 398110), (260, 318488), (328, 252460), (410, 201968), (416, 199055), (520, 159244), (533, 155360), (656, 126230), (820, 100984), (971, 85280), (1040, 79622), (1066, 77680), (1312, 63115), (1640, 50492), (1942, 42640), (2080, 39811), (2132, 38840), (2665, 31072), (3280, 25246), (3884, 21320), (4264, 19420), (4855, 17056), (5330, 15536), (6560, 12623), (7768, 10660), (8528, 9710)]