12018500

素因数分解:

$2^2\times 5^3\times {\mathrm{13}}^1\times {\mathrm{43}}^2$

素因数の和:118

約数の個数: 72

約数和(自身を含む): 28940184

約数和(自身を除く): 16921684

約数列:

[1, 2, 4, 5, 10, 13, 20, 25, 26, 43, 50, 52, 65, 86, 100, 125, 130, 172, 215, 250, 260, 325, 430, 500, 559, 650, 860, 1075, 1118, 1300, 1625, 1849, 2150, 2236, 2795, 3250, 3698, 4300, 5375, 5590, 6500, 7396, 9245, 10750, 11180, 13975, 18490, 21500, 24037, 27950, 36980, 46225, 48074, 55900, 69875, 92450, 96148, 120185, 139750, 184900, 231125, 240370, 279500, 462250, 480740, 600925, 924500, 1201850, 2403700, 3004625, 6009250, 12018500]

約数ペア:

[(1, 12018500), (2, 6009250), (4, 3004625), (5, 2403700), (10, 1201850), (13, 924500), (20, 600925), (25, 480740), (26, 462250), (43, 279500), (50, 240370), (52, 231125), (65, 184900), (86, 139750), (100, 120185), (125, 96148), (130, 92450), (172, 69875), (215, 55900), (250, 48074), (260, 46225), (325, 36980), (430, 27950), (500, 24037), (559, 21500), (650, 18490), (860, 13975), (1075, 11180), (1118, 10750), (1300, 9245), (1625, 7396), (1849, 6500), (2150, 5590), (2236, 5375), (2795, 4300), (3250, 3698)]