39913520

素因数分解:

$2^4\times 5^1\times {\mathrm{61}}^1\times {\mathrm{8179}}^1$

素因数の和:8253

約数の個数: 40

約数和(自身を含む): 94331760

約数和(自身を除く): 54418240

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 61, 80, 122, 244, 305, 488, 610, 976, 1220, 2440, 4880, 8179, 16358, 32716, 40895, 65432, 81790, 130864, 163580, 327160, 498919, 654320, 997838, 1995676, 2494595, 3991352, 4989190, 7982704, 9978380, 19956760, 39913520]

約数ペア:

[(1, 39913520), (2, 19956760), (4, 9978380), (5, 7982704), (8, 4989190), (10, 3991352), (16, 2494595), (20, 1995676), (40, 997838), (61, 654320), (80, 498919), (122, 327160), (244, 163580), (305, 130864), (488, 81790), (610, 65432), (976, 40895), (1220, 32716), (2440, 16358), (4880, 8179)]