12916150

素因数分解:

$2^1\times 5^2\times {\mathrm{13}}^1\times {\mathrm{31}}^1\times {\mathrm{641}}^1$

素因数の和:697

約数の個数: 48

約数和(自身を含む): 26748288

約数和(自身を除く): 13832138

約数列:

[1, 2, 5, 10, 13, 25, 26, 31, 50, 62, 65, 130, 155, 310, 325, 403, 641, 650, 775, 806, 1282, 1550, 2015, 3205, 4030, 6410, 8333, 10075, 16025, 16666, 19871, 20150, 32050, 39742, 41665, 83330, 99355, 198710, 208325, 258323, 416650, 496775, 516646, 993550, 1291615, 2583230, 6458075, 12916150]

約数ペア:

[(1, 12916150), (2, 6458075), (5, 2583230), (10, 1291615), (13, 993550), (25, 516646), (26, 496775), (31, 416650), (50, 258323), (62, 208325), (65, 198710), (130, 99355), (155, 83330), (310, 41665), (325, 39742), (403, 32050), (641, 20150), (650, 19871), (775, 16666), (806, 16025), (1282, 10075), (1550, 8333), (2015, 6410), (3205, 4030)]