80021268

素因数分解:

$2^2\times 3^2\times {\mathrm{991}}^1\times {\mathrm{2243}}^1$

素因数の和:3244

約数の個数: 36

約数和(自身を含む): 202570368

約数和(自身を除く): 122549100

約数列:

[1, 2, 3, 4, 6, 9, 12, 18, 36, 991, 1982, 2243, 2973, 3964, 4486, 5946, 6729, 8919, 8972, 11892, 13458, 17838, 20187, 26916, 35676, 40374, 80748, 2222813, 4445626, 6668439, 8891252, 13336878, 20005317, 26673756, 40010634, 80021268]

約数ペア:

[(1, 80021268), (2, 40010634), (3, 26673756), (4, 20005317), (6, 13336878), (9, 8891252), (12, 6668439), (18, 4445626), (36, 2222813), (991, 80748), (1982, 40374), (2243, 35676), (2973, 26916), (3964, 20187), (4486, 17838), (5946, 13458), (6729, 11892), (8919, 8972)]