12509420

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{8123}}^1$

素因数の和:8150

約数の個数: 48

約数和(自身を含む): 32755968

約数和(自身を除く): 20246548

約数列:

[1, 2, 4, 5, 7, 10, 11, 14, 20, 22, 28, 35, 44, 55, 70, 77, 110, 140, 154, 220, 308, 385, 770, 1540, 8123, 16246, 32492, 40615, 56861, 81230, 89353, 113722, 162460, 178706, 227444, 284305, 357412, 446765, 568610, 625471, 893530, 1137220, 1250942, 1787060, 2501884, 3127355, 6254710, 12509420]

約数ペア:

[(1, 12509420), (2, 6254710), (4, 3127355), (5, 2501884), (7, 1787060), (10, 1250942), (11, 1137220), (14, 893530), (20, 625471), (22, 568610), (28, 446765), (35, 357412), (44, 284305), (55, 227444), (70, 178706), (77, 162460), (110, 113722), (140, 89353), (154, 81230), (220, 56861), (308, 40615), (385, 32492), (770, 16246), (1540, 8123)]