7885940

素因数分解:

$2^2\times 5^1\times {\mathrm{41}}^1\times {\mathrm{59}}^1\times {\mathrm{163}}^1$

素因数の和:272

約数の個数: 48

約数和(自身を含む): 17357760

約数和(自身を除く): 9471820

約数列:

[1, 2, 4, 5, 10, 20, 41, 59, 82, 118, 163, 164, 205, 236, 295, 326, 410, 590, 652, 815, 820, 1180, 1630, 2419, 3260, 4838, 6683, 9617, 9676, 12095, 13366, 19234, 24190, 26732, 33415, 38468, 48085, 48380, 66830, 96170, 133660, 192340, 394297, 788594, 1577188, 1971485, 3942970, 7885940]

約数ペア:

[(1, 7885940), (2, 3942970), (4, 1971485), (5, 1577188), (10, 788594), (20, 394297), (41, 192340), (59, 133660), (82, 96170), (118, 66830), (163, 48380), (164, 48085), (205, 38468), (236, 33415), (295, 26732), (326, 24190), (410, 19234), (590, 13366), (652, 12095), (815, 9676), (820, 9617), (1180, 6683), (1630, 4838), (2419, 3260)]