30571760

素因数分解:

$2^4\times 5^1\times {\mathrm{19}}^1\times {\mathrm{20113}}^1$

素因数の和:20145

約数の個数: 40

約数和(自身を含む): 74824080

約数和(自身を除く): 44252320

約数列:

[1, 2, 4, 5, 8, 10, 16, 19, 20, 38, 40, 76, 80, 95, 152, 190, 304, 380, 760, 1520, 20113, 40226, 80452, 100565, 160904, 201130, 321808, 382147, 402260, 764294, 804520, 1528588, 1609040, 1910735, 3057176, 3821470, 6114352, 7642940, 15285880, 30571760]

約数ペア:

[(1, 30571760), (2, 15285880), (4, 7642940), (5, 6114352), (8, 3821470), (10, 3057176), (16, 1910735), (19, 1609040), (20, 1528588), (38, 804520), (40, 764294), (76, 402260), (80, 382147), (95, 321808), (152, 201130), (190, 160904), (304, 100565), (380, 80452), (760, 40226), (1520, 20113)]