159803240

素因数分解:

$2^3\times 5^1\times {\mathrm{41}}^1\times {\mathrm{97441}}^1$

素因数の和:97493

約数の個数: 32

約数和(自身を含む): 368330760

約数和(自身を除く): 208527520

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 41, 82, 164, 205, 328, 410, 820, 1640, 97441, 194882, 389764, 487205, 779528, 974410, 1948820, 3897640, 3995081, 7990162, 15980324, 19975405, 31960648, 39950810, 79901620, 159803240]

約数ペア:

[(1, 159803240), (2, 79901620), (4, 39950810), (5, 31960648), (8, 19975405), (10, 15980324), (20, 7990162), (40, 3995081), (41, 3897640), (82, 1948820), (164, 974410), (205, 779528), (328, 487205), (410, 389764), (820, 194882), (1640, 97441)]