12531440

素因数分解:

$2^4\times 5^1\times {\mathrm{31}}^2\times {\mathrm{163}}^1$

素因数の和:238

約数の個数: 60

約数和(自身を含む): 30290472

約数和(自身を除く): 17759032

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 31, 40, 62, 80, 124, 155, 163, 248, 310, 326, 496, 620, 652, 815, 961, 1240, 1304, 1630, 1922, 2480, 2608, 3260, 3844, 4805, 5053, 6520, 7688, 9610, 10106, 13040, 15376, 19220, 20212, 25265, 38440, 40424, 50530, 76880, 80848, 101060, 156643, 202120, 313286, 404240, 626572, 783215, 1253144, 1566430, 2506288, 3132860, 6265720, 12531440]

約数ペア:

[(1, 12531440), (2, 6265720), (4, 3132860), (5, 2506288), (8, 1566430), (10, 1253144), (16, 783215), (20, 626572), (31, 404240), (40, 313286), (62, 202120), (80, 156643), (124, 101060), (155, 80848), (163, 76880), (248, 50530), (310, 40424), (326, 38440), (496, 25265), (620, 20212), (652, 19220), (815, 15376), (961, 13040), (1240, 10106), (1304, 9610), (1630, 7688), (1922, 6520), (2480, 5053), (2608, 4805), (3260, 3844)]