40627520

素因数分解:

$2^6\times 5^1\times {\mathrm{126961}}^1$

素因数の和:126978

約数の個数: 28

約数和(自身を含む): 96745044

約数和(自身を除く): 56117524

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 64, 80, 160, 320, 126961, 253922, 507844, 634805, 1015688, 1269610, 2031376, 2539220, 4062752, 5078440, 8125504, 10156880, 20313760, 40627520]

約数ペア:

[(1, 40627520), (2, 20313760), (4, 10156880), (5, 8125504), (8, 5078440), (10, 4062752), (16, 2539220), (20, 2031376), (32, 1269610), (40, 1015688), (64, 634805), (80, 507844), (160, 253922), (320, 126961)]