42637040

素因数分解:

$2^4\times 5^1\times {\mathrm{449}}^1\times {\mathrm{1187}}^1$

素因数の和:1649

約数の個数: 40

約数和(自身を含む): 99435600

約数和(自身を除く): 56798560

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 449, 898, 1187, 1796, 2245, 2374, 3592, 4490, 4748, 5935, 7184, 8980, 9496, 11870, 17960, 18992, 23740, 35920, 47480, 94960, 532963, 1065926, 2131852, 2664815, 4263704, 5329630, 8527408, 10659260, 21318520, 42637040]

約数ペア:

[(1, 42637040), (2, 21318520), (4, 10659260), (5, 8527408), (8, 5329630), (10, 4263704), (16, 2664815), (20, 2131852), (40, 1065926), (80, 532963), (449, 94960), (898, 47480), (1187, 35920), (1796, 23740), (2245, 18992), (2374, 17960), (3592, 11870), (4490, 9496), (4748, 8980), (5935, 7184)]