16210520

素因数分解:

$2^3\times 5^1\times {\mathrm{17}}^1\times {\mathrm{31}}^1\times {\mathrm{769}}^1$

素因数の和:828

約数の個数: 64

約数和(自身を含む): 39916800

約数和(自身を除く): 23706280

約数列:

[1, 2, 4, 5, 8, 10, 17, 20, 31, 34, 40, 62, 68, 85, 124, 136, 155, 170, 248, 310, 340, 527, 620, 680, 769, 1054, 1240, 1538, 2108, 2635, 3076, 3845, 4216, 5270, 6152, 7690, 10540, 13073, 15380, 21080, 23839, 26146, 30760, 47678, 52292, 65365, 95356, 104584, 119195, 130730, 190712, 238390, 261460, 405263, 476780, 522920, 810526, 953560, 1621052, 2026315, 3242104, 4052630, 8105260, 16210520]

約数ペア:

[(1, 16210520), (2, 8105260), (4, 4052630), (5, 3242104), (8, 2026315), (10, 1621052), (17, 953560), (20, 810526), (31, 522920), (34, 476780), (40, 405263), (62, 261460), (68, 238390), (85, 190712), (124, 130730), (136, 119195), (155, 104584), (170, 95356), (248, 65365), (310, 52292), (340, 47678), (527, 30760), (620, 26146), (680, 23839), (769, 21080), (1054, 15380), (1240, 13073), (1538, 10540), (2108, 7690), (2635, 6152), (3076, 5270), (3845, 4216)]