89399920

素因数分解:

$2^4\times 5^1\times {\mathrm{613}}^1\times {\mathrm{1823}}^1$

素因数の和:2449

約数の個数: 40

約数和(自身を含む): 208308096

約数和(自身を除く): 118908176

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 613, 1226, 1823, 2452, 3065, 3646, 4904, 6130, 7292, 9115, 9808, 12260, 14584, 18230, 24520, 29168, 36460, 49040, 72920, 145840, 1117499, 2234998, 4469996, 5587495, 8939992, 11174990, 17879984, 22349980, 44699960, 89399920]

約数ペア:

[(1, 89399920), (2, 44699960), (4, 22349980), (5, 17879984), (8, 11174990), (10, 8939992), (16, 5587495), (20, 4469996), (40, 2234998), (80, 1117499), (613, 145840), (1226, 72920), (1823, 49040), (2452, 36460), (3065, 29168), (3646, 24520), (4904, 18230), (6130, 14584), (7292, 12260), (9115, 9808)]