12705520

素因数分解:

$2^4\times 5^1\times {\mathrm{241}}^1\times {\mathrm{659}}^1$

素因数の和:913

約数の個数: 40

約数和(自身を含む): 29707920

約数和(自身を除く): 17002400

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 241, 482, 659, 964, 1205, 1318, 1928, 2410, 2636, 3295, 3856, 4820, 5272, 6590, 9640, 10544, 13180, 19280, 26360, 52720, 158819, 317638, 635276, 794095, 1270552, 1588190, 2541104, 3176380, 6352760, 12705520]

約数ペア:

[(1, 12705520), (2, 6352760), (4, 3176380), (5, 2541104), (8, 1588190), (10, 1270552), (16, 794095), (20, 635276), (40, 317638), (80, 158819), (241, 52720), (482, 26360), (659, 19280), (964, 13180), (1205, 10544), (1318, 9640), (1928, 6590), (2410, 5272), (2636, 4820), (3295, 3856)]