64189220

素因数分解:

$2^2\times 5^1\times {\mathrm{19}}^1\times {\mathrm{31}}^1\times {\mathrm{5449}}^1$

素因数の和:5508

約数の個数: 48

約数和(自身を含む): 146496000

約数和(自身を除く): 82306780

約数列:

[1, 2, 4, 5, 10, 19, 20, 31, 38, 62, 76, 95, 124, 155, 190, 310, 380, 589, 620, 1178, 2356, 2945, 5449, 5890, 10898, 11780, 21796, 27245, 54490, 103531, 108980, 168919, 207062, 337838, 414124, 517655, 675676, 844595, 1035310, 1689190, 2070620, 3209461, 3378380, 6418922, 12837844, 16047305, 32094610, 64189220]

約数ペア:

[(1, 64189220), (2, 32094610), (4, 16047305), (5, 12837844), (10, 6418922), (19, 3378380), (20, 3209461), (31, 2070620), (38, 1689190), (62, 1035310), (76, 844595), (95, 675676), (124, 517655), (155, 414124), (190, 337838), (310, 207062), (380, 168919), (589, 108980), (620, 103531), (1178, 54490), (2356, 27245), (2945, 21796), (5449, 11780), (5890, 10898)]