80370808

素因数分解:

$2^3\times 7^1\times {\mathrm{37}}^1\times {\mathrm{79}}^1\times {\mathrm{491}}^1$

素因数の和:620

約数の個数: 64

約数和(自身を含む): 179481600

約数和(自身を除く): 99110792

約数列:

[1, 2, 4, 7, 8, 14, 28, 37, 56, 74, 79, 148, 158, 259, 296, 316, 491, 518, 553, 632, 982, 1036, 1106, 1964, 2072, 2212, 2923, 3437, 3928, 4424, 5846, 6874, 11692, 13748, 18167, 20461, 23384, 27496, 36334, 38789, 40922, 72668, 77578, 81844, 127169, 145336, 155156, 163688, 254338, 271523, 310312, 508676, 543046, 1017352, 1086092, 1435193, 2172184, 2870386, 5740772, 10046351, 11481544, 20092702, 40185404, 80370808]

約数ペア:

[(1, 80370808), (2, 40185404), (4, 20092702), (7, 11481544), (8, 10046351), (14, 5740772), (28, 2870386), (37, 2172184), (56, 1435193), (74, 1086092), (79, 1017352), (148, 543046), (158, 508676), (259, 310312), (296, 271523), (316, 254338), (491, 163688), (518, 155156), (553, 145336), (632, 127169), (982, 81844), (1036, 77578), (1106, 72668), (1964, 40922), (2072, 38789), (2212, 36334), (2923, 27496), (3437, 23384), (3928, 20461), (4424, 18167), (5846, 13748), (6874, 11692)]