13258420

素因数分解:

$2^2\times 5^1\times 7^2\times {\mathrm{83}}^1\times {\mathrm{163}}^1$

素因数の和:269

約数の個数: 72

約数和(自身を含む): 32979744

約数和(自身を除く): 19721324

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 49, 70, 83, 98, 140, 163, 166, 196, 245, 326, 332, 415, 490, 581, 652, 815, 830, 980, 1141, 1162, 1630, 1660, 2282, 2324, 2905, 3260, 4067, 4564, 5705, 5810, 7987, 8134, 11410, 11620, 13529, 15974, 16268, 20335, 22820, 27058, 31948, 39935, 40670, 54116, 67645, 79870, 81340, 94703, 135290, 159740, 189406, 270580, 378812, 473515, 662921, 947030, 1325842, 1894060, 2651684, 3314605, 6629210, 13258420]

約数ペア:

[(1, 13258420), (2, 6629210), (4, 3314605), (5, 2651684), (7, 1894060), (10, 1325842), (14, 947030), (20, 662921), (28, 473515), (35, 378812), (49, 270580), (70, 189406), (83, 159740), (98, 135290), (140, 94703), (163, 81340), (166, 79870), (196, 67645), (245, 54116), (326, 40670), (332, 39935), (415, 31948), (490, 27058), (581, 22820), (652, 20335), (815, 16268), (830, 15974), (980, 13529), (1141, 11620), (1162, 11410), (1630, 8134), (1660, 7987), (2282, 5810), (2324, 5705), (2905, 4564), (3260, 4067)]