42980480

素因数分解:

$2^7\times 5^1\times {\mathrm{67157}}^1$

素因数の和:67176

約数の個数: 32

約数和(自身を含む): 102751740

約数和(自身を除く): 59771260

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 64, 80, 128, 160, 320, 640, 67157, 134314, 268628, 335785, 537256, 671570, 1074512, 1343140, 2149024, 2686280, 4298048, 5372560, 8596096, 10745120, 21490240, 42980480]

約数ペア:

[(1, 42980480), (2, 21490240), (4, 10745120), (5, 8596096), (8, 5372560), (10, 4298048), (16, 2686280), (20, 2149024), (32, 1343140), (40, 1074512), (64, 671570), (80, 537256), (128, 335785), (160, 268628), (320, 134314), (640, 67157)]