13641520

素因数分解:

$2^4\times 5^1\times {\mathrm{41}}^1\times {\mathrm{4159}}^1$

素因数の和:4213

約数の個数: 40

約数和(自身を含む): 32497920

約数和(自身を除く): 18856400

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 41, 80, 82, 164, 205, 328, 410, 656, 820, 1640, 3280, 4159, 8318, 16636, 20795, 33272, 41590, 66544, 83180, 166360, 170519, 332720, 341038, 682076, 852595, 1364152, 1705190, 2728304, 3410380, 6820760, 13641520]

約数ペア:

[(1, 13641520), (2, 6820760), (4, 3410380), (5, 2728304), (8, 1705190), (10, 1364152), (16, 852595), (20, 682076), (40, 341038), (41, 332720), (80, 170519), (82, 166360), (164, 83180), (205, 66544), (328, 41590), (410, 33272), (656, 20795), (820, 16636), (1640, 8318), (3280, 4159)]