39721520

素因数分解:

$2^4\times 5^1\times {\mathrm{17}}^1\times {\mathrm{29207}}^1$

素因数の和:29237

約数の個数: 40

約数和(自身を含む): 97788384

約数和(自身を除く): 58066864

約数列:

[1, 2, 4, 5, 8, 10, 16, 17, 20, 34, 40, 68, 80, 85, 136, 170, 272, 340, 680, 1360, 29207, 58414, 116828, 146035, 233656, 292070, 467312, 496519, 584140, 993038, 1168280, 1986076, 2336560, 2482595, 3972152, 4965190, 7944304, 9930380, 19860760, 39721520]

約数ペア:

[(1, 39721520), (2, 19860760), (4, 9930380), (5, 7944304), (8, 4965190), (10, 3972152), (16, 2482595), (17, 2336560), (20, 1986076), (34, 1168280), (40, 993038), (68, 584140), (80, 496519), (85, 467312), (136, 292070), (170, 233656), (272, 146035), (340, 116828), (680, 58414), (1360, 29207)]