70189880

素因数分解:

$2^3\times 5^1\times {\mathrm{643}}^1\times {\mathrm{2729}}^1$

素因数の和:3383

約数の個数: 32

約数和(自身を含む): 158230800

約数和(自身を除く): 88040920

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 643, 1286, 2572, 2729, 3215, 5144, 5458, 6430, 10916, 12860, 13645, 21832, 25720, 27290, 54580, 109160, 1754747, 3509494, 7018988, 8773735, 14037976, 17547470, 35094940, 70189880]

約数ペア:

[(1, 70189880), (2, 35094940), (4, 17547470), (5, 14037976), (8, 8773735), (10, 7018988), (20, 3509494), (40, 1754747), (643, 109160), (1286, 54580), (2572, 27290), (2729, 25720), (3215, 21832), (5144, 13645), (5458, 12860), (6430, 10916)]