86688400

素因数分解:

$2^4\times 5^2\times {\mathrm{31}}^1\times {\mathrm{6991}}^1$

素因数の和:7040

約数の個数: 60

約数和(自身を含む): 215017984

約数和(自身を除く): 128329584

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 25, 31, 40, 50, 62, 80, 100, 124, 155, 200, 248, 310, 400, 496, 620, 775, 1240, 1550, 2480, 3100, 6200, 6991, 12400, 13982, 27964, 34955, 55928, 69910, 111856, 139820, 174775, 216721, 279640, 349550, 433442, 559280, 699100, 866884, 1083605, 1398200, 1733768, 2167210, 2796400, 3467536, 4334420, 5418025, 8668840, 10836050, 17337680, 21672100, 43344200, 86688400]

約数ペア:

[(1, 86688400), (2, 43344200), (4, 21672100), (5, 17337680), (8, 10836050), (10, 8668840), (16, 5418025), (20, 4334420), (25, 3467536), (31, 2796400), (40, 2167210), (50, 1733768), (62, 1398200), (80, 1083605), (100, 866884), (124, 699100), (155, 559280), (200, 433442), (248, 349550), (310, 279640), (400, 216721), (496, 174775), (620, 139820), (775, 111856), (1240, 69910), (1550, 55928), (2480, 34955), (3100, 27964), (6200, 13982), (6991, 12400)]