70818920

素因数分解:

$2^3\times 5^1\times {\mathrm{83}}^2\times {\mathrm{257}}^1$

素因数の和:434

約数の個数: 48

約数和(自身を含む): 161913060

約数和(自身を除く): 91094140

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 83, 166, 257, 332, 415, 514, 664, 830, 1028, 1285, 1660, 2056, 2570, 3320, 5140, 6889, 10280, 13778, 21331, 27556, 34445, 42662, 55112, 68890, 85324, 106655, 137780, 170648, 213310, 275560, 426620, 853240, 1770473, 3540946, 7081892, 8852365, 14163784, 17704730, 35409460, 70818920]

約数ペア:

[(1, 70818920), (2, 35409460), (4, 17704730), (5, 14163784), (8, 8852365), (10, 7081892), (20, 3540946), (40, 1770473), (83, 853240), (166, 426620), (257, 275560), (332, 213310), (415, 170648), (514, 137780), (664, 106655), (830, 85324), (1028, 68890), (1285, 55112), (1660, 42662), (2056, 34445), (2570, 27556), (3320, 21331), (5140, 13778), (6889, 10280)]