28654640

素因数分解:

$2^4\times 5^1\times 7^1\times {\mathrm{51169}}^1$

素因数の和:51189

約数の個数: 40

約数和(自身を含む): 76140960

約数和(自身を除く): 47486320

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 28, 35, 40, 56, 70, 80, 112, 140, 280, 560, 51169, 102338, 204676, 255845, 358183, 409352, 511690, 716366, 818704, 1023380, 1432732, 1790915, 2046760, 2865464, 3581830, 4093520, 5730928, 7163660, 14327320, 28654640]

約数ペア:

[(1, 28654640), (2, 14327320), (4, 7163660), (5, 5730928), (7, 4093520), (8, 3581830), (10, 2865464), (14, 2046760), (16, 1790915), (20, 1432732), (28, 1023380), (35, 818704), (40, 716366), (56, 511690), (70, 409352), (80, 358183), (112, 255845), (140, 204676), (280, 102338), (560, 51169)]