64291520

素因数分解:

$2^6\times 5^1\times {\mathrm{31}}^1\times {\mathrm{6481}}^1$

素因数の和:6529

約数の個数: 56

約数和(自身を含む): 158057088

約数和(自身を除く): 93765568

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 31, 32, 40, 62, 64, 80, 124, 155, 160, 248, 310, 320, 496, 620, 992, 1240, 1984, 2480, 4960, 6481, 9920, 12962, 25924, 32405, 51848, 64810, 103696, 129620, 200911, 207392, 259240, 401822, 414784, 518480, 803644, 1004555, 1036960, 1607288, 2009110, 2073920, 3214576, 4018220, 6429152, 8036440, 12858304, 16072880, 32145760, 64291520]

約数ペア:

[(1, 64291520), (2, 32145760), (4, 16072880), (5, 12858304), (8, 8036440), (10, 6429152), (16, 4018220), (20, 3214576), (31, 2073920), (32, 2009110), (40, 1607288), (62, 1036960), (64, 1004555), (80, 803644), (124, 518480), (155, 414784), (160, 401822), (248, 259240), (310, 207392), (320, 200911), (496, 129620), (620, 103696), (992, 64810), (1240, 51848), (1984, 32405), (2480, 25924), (4960, 12962), (6481, 9920)]