12679000

素因数分解:

$2^3\times 5^3\times {\mathrm{31}}^1\times {\mathrm{409}}^1$

素因数の和:461

約数の個数: 64

約数和(自身を含む): 30700800

約数和(自身を除く): 18021800

約数列:

[1, 2, 4, 5, 8, 10, 20, 25, 31, 40, 50, 62, 100, 124, 125, 155, 200, 248, 250, 310, 409, 500, 620, 775, 818, 1000, 1240, 1550, 1636, 2045, 3100, 3272, 3875, 4090, 6200, 7750, 8180, 10225, 12679, 15500, 16360, 20450, 25358, 31000, 40900, 50716, 51125, 63395, 81800, 101432, 102250, 126790, 204500, 253580, 316975, 409000, 507160, 633950, 1267900, 1584875, 2535800, 3169750, 6339500, 12679000]

約数ペア:

[(1, 12679000), (2, 6339500), (4, 3169750), (5, 2535800), (8, 1584875), (10, 1267900), (20, 633950), (25, 507160), (31, 409000), (40, 316975), (50, 253580), (62, 204500), (100, 126790), (124, 102250), (125, 101432), (155, 81800), (200, 63395), (248, 51125), (250, 50716), (310, 40900), (409, 31000), (500, 25358), (620, 20450), (775, 16360), (818, 15500), (1000, 12679), (1240, 10225), (1550, 8180), (1636, 7750), (2045, 6200), (3100, 4090), (3272, 3875)]