72401360

素因数分解:

$2^4\times 5^1\times {\mathrm{113}}^1\times {\mathrm{8009}}^1$

素因数の和:8135

約数の個数: 40

約数和(自身を含む): 169844040

約数和(自身を除く): 97442680

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 113, 226, 452, 565, 904, 1130, 1808, 2260, 4520, 8009, 9040, 16018, 32036, 40045, 64072, 80090, 128144, 160180, 320360, 640720, 905017, 1810034, 3620068, 4525085, 7240136, 9050170, 14480272, 18100340, 36200680, 72401360]

約数ペア:

[(1, 72401360), (2, 36200680), (4, 18100340), (5, 14480272), (8, 9050170), (10, 7240136), (16, 4525085), (20, 3620068), (40, 1810034), (80, 905017), (113, 640720), (226, 320360), (452, 160180), (565, 128144), (904, 80090), (1130, 64072), (1808, 40045), (2260, 32036), (4520, 16018), (8009, 9040)]