11957680

素因数分解:

$2^4\times 5^1\times 7^1\times {\mathrm{131}}^1\times {\mathrm{163}}^1$

素因数の和:314

約数の個数: 80

約数和(自身を含む): 32212224

約数和(自身を除く): 20254544

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 28, 35, 40, 56, 70, 80, 112, 131, 140, 163, 262, 280, 326, 524, 560, 652, 655, 815, 917, 1048, 1141, 1304, 1310, 1630, 1834, 2096, 2282, 2608, 2620, 3260, 3668, 4564, 4585, 5240, 5705, 6520, 7336, 9128, 9170, 10480, 11410, 13040, 14672, 18256, 18340, 21353, 22820, 36680, 42706, 45640, 73360, 85412, 91280, 106765, 149471, 170824, 213530, 298942, 341648, 427060, 597884, 747355, 854120, 1195768, 1494710, 1708240, 2391536, 2989420, 5978840, 11957680]

約数ペア:

[(1, 11957680), (2, 5978840), (4, 2989420), (5, 2391536), (7, 1708240), (8, 1494710), (10, 1195768), (14, 854120), (16, 747355), (20, 597884), (28, 427060), (35, 341648), (40, 298942), (56, 213530), (70, 170824), (80, 149471), (112, 106765), (131, 91280), (140, 85412), (163, 73360), (262, 45640), (280, 42706), (326, 36680), (524, 22820), (560, 21353), (652, 18340), (655, 18256), (815, 14672), (917, 13040), (1048, 11410), (1141, 10480), (1304, 9170), (1310, 9128), (1630, 7336), (1834, 6520), (2096, 5705), (2282, 5240), (2608, 4585), (2620, 4564), (3260, 3668)]