57499880

素因数分解:

$2^3\times 5^1\times {\mathrm{163}}^1\times {\mathrm{8819}}^1$

素因数の和:8993

約数の個数: 32

約数和(自身を含む): 130183200

約数和(自身を除く): 72683320

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 163, 326, 652, 815, 1304, 1630, 3260, 6520, 8819, 17638, 35276, 44095, 70552, 88190, 176380, 352760, 1437497, 2874994, 5749988, 7187485, 11499976, 14374970, 28749940, 57499880]

約数ペア:

[(1, 57499880), (2, 28749940), (4, 14374970), (5, 11499976), (8, 7187485), (10, 5749988), (20, 2874994), (40, 1437497), (163, 352760), (326, 176380), (652, 88190), (815, 70552), (1304, 44095), (1630, 35276), (3260, 17638), (6520, 8819)]