72904960

素因数分解:

$2^8\times 5^1\times {\mathrm{56957}}^1$

素因数の和:56978

約数の個数: 36

約数和(自身を含む): 174633228

約数和(自身を除く): 101728268

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 64, 80, 128, 160, 256, 320, 640, 1280, 56957, 113914, 227828, 284785, 455656, 569570, 911312, 1139140, 1822624, 2278280, 3645248, 4556560, 7290496, 9113120, 14580992, 18226240, 36452480, 72904960]

約数ペア:

[(1, 72904960), (2, 36452480), (4, 18226240), (5, 14580992), (8, 9113120), (10, 7290496), (16, 4556560), (20, 3645248), (32, 2278280), (40, 1822624), (64, 1139140), (80, 911312), (128, 569570), (160, 455656), (256, 284785), (320, 227828), (640, 113914), (1280, 56957)]