64971040

素因数分解:

$2^5\times 5^1\times {\mathrm{31}}^1\times {\mathrm{13099}}^1$

素因数の和:13145

約数の個数: 48

約数和(自身を含む): 158457600

約数和(自身を除く): 93486560

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, 13099, 26198, 52396, 65495, 104792, 130990, 209584, 261980, 406069, 419168, 523960, 812138, 1047920, 1624276, 2030345, 2095840, 3248552, 4060690, 6497104, 8121380, 12994208, 16242760, 32485520, 64971040]

約数ペア:

[(1, 64971040), (2, 32485520), (4, 16242760), (5, 12994208), (8, 8121380), (10, 6497104), (16, 4060690), (20, 3248552), (31, 2095840), (32, 2030345), (40, 1624276), (62, 1047920), (80, 812138), (124, 523960), (155, 419168), (160, 406069), (248, 261980), (310, 209584), (496, 130990), (620, 104792), (992, 65495), (1240, 52396), (2480, 26198), (4960, 13099)]