51903920

素因数分解:

$2^4\times 5^1\times {\mathrm{31}}^1\times {\mathrm{20929}}^1$

素因数の和:20973

約数の個数: 40

約数和(自身を含む): 124575360

約数和(自身を除く): 72671440

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 31, 40, 62, 80, 124, 155, 248, 310, 496, 620, 1240, 2480, 20929, 41858, 83716, 104645, 167432, 209290, 334864, 418580, 648799, 837160, 1297598, 1674320, 2595196, 3243995, 5190392, 6487990, 10380784, 12975980, 25951960, 51903920]

約数ペア:

[(1, 51903920), (2, 25951960), (4, 12975980), (5, 10380784), (8, 6487990), (10, 5190392), (16, 3243995), (20, 2595196), (31, 1674320), (40, 1297598), (62, 837160), (80, 648799), (124, 418580), (155, 334864), (248, 209290), (310, 167432), (496, 104645), (620, 83716), (1240, 41858), (2480, 20929)]