64071980

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{17}}^1\times {\mathrm{26921}}^1$

素因数の和:26954

約数の個数: 48

約数和(自身を含む): 162824256

約数和(自身を除く): 98752276

約数列:

[1, 2, 4, 5, 7, 10, 14, 17, 20, 28, 34, 35, 68, 70, 85, 119, 140, 170, 238, 340, 476, 595, 1190, 2380, 26921, 53842, 107684, 134605, 188447, 269210, 376894, 457657, 538420, 753788, 915314, 942235, 1830628, 1884470, 2288285, 3203599, 3768940, 4576570, 6407198, 9153140, 12814396, 16017995, 32035990, 64071980]

約数ペア:

[(1, 64071980), (2, 32035990), (4, 16017995), (5, 12814396), (7, 9153140), (10, 6407198), (14, 4576570), (17, 3768940), (20, 3203599), (28, 2288285), (34, 1884470), (35, 1830628), (68, 942235), (70, 915314), (85, 753788), (119, 538420), (140, 457657), (170, 376894), (238, 269210), (340, 188447), (476, 134605), (595, 107684), (1190, 53842), (2380, 26921)]