64156480

素因数分解:

$2^6\times 5^1\times {\mathrm{157}}^1\times {\mathrm{1277}}^1$

素因数の和:1451

約数の個数: 56

約数和(自身を含む): 153866088

約数和(自身を除く): 89709608

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 64, 80, 157, 160, 314, 320, 628, 785, 1256, 1277, 1570, 2512, 2554, 3140, 5024, 5108, 6280, 6385, 10048, 10216, 12560, 12770, 20432, 25120, 25540, 40864, 50240, 51080, 81728, 102160, 200489, 204320, 400978, 408640, 801956, 1002445, 1603912, 2004890, 3207824, 4009780, 6415648, 8019560, 12831296, 16039120, 32078240, 64156480]

約数ペア:

[(1, 64156480), (2, 32078240), (4, 16039120), (5, 12831296), (8, 8019560), (10, 6415648), (16, 4009780), (20, 3207824), (32, 2004890), (40, 1603912), (64, 1002445), (80, 801956), (157, 408640), (160, 400978), (314, 204320), (320, 200489), (628, 102160), (785, 81728), (1256, 51080), (1277, 50240), (1570, 40864), (2512, 25540), (2554, 25120), (3140, 20432), (5024, 12770), (5108, 12560), (6280, 10216), (6385, 10048)]