84498580

素因数分解:

$2^2\times 5^1\times {\mathrm{389}}^1\times {\mathrm{10861}}^1$

素因数の和:11259

約数の個数: 24

約数和(自身を含む): 177919560

約数和(自身を除く): 93420980

約数列:

[1, 2, 4, 5, 10, 20, 389, 778, 1556, 1945, 3890, 7780, 10861, 21722, 43444, 54305, 108610, 217220, 4224929, 8449858, 16899716, 21124645, 42249290, 84498580]

約数ペア:

[(1, 84498580), (2, 42249290), (4, 21124645), (5, 16899716), (10, 8449858), (20, 4224929), (389, 217220), (778, 108610), (1556, 54305), (1945, 43444), (3890, 21722), (7780, 10861)]