64078240

素因数分解:

$2^5\times 5^1\times {\mathrm{31}}^1\times {\mathrm{12919}}^1$

素因数の和:12965

約数の個数: 48

約数和(自身を含む): 156280320

約数和(自身を除く): 92202080

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 31, 32, 40, 62, 80, 124, 155, 160, 248, 310, 496, 620, 992, 1240, 2480, 4960, 12919, 25838, 51676, 64595, 103352, 129190, 206704, 258380, 400489, 413408, 516760, 800978, 1033520, 1601956, 2002445, 2067040, 3203912, 4004890, 6407824, 8009780, 12815648, 16019560, 32039120, 64078240]

約数ペア:

[(1, 64078240), (2, 32039120), (4, 16019560), (5, 12815648), (8, 8009780), (10, 6407824), (16, 4004890), (20, 3203912), (31, 2067040), (32, 2002445), (40, 1601956), (62, 1033520), (80, 800978), (124, 516760), (155, 413408), (160, 400489), (248, 258380), (310, 206704), (496, 129190), (620, 103352), (992, 64595), (1240, 51676), (2480, 25838), (4960, 12919)]