64997600

素因数分解:

$2^5\times 5^2\times {\mathrm{113}}^1\times {\mathrm{719}}^1$

素因数の和:852

約数の個数: 72

約数和(自身を含む): 160302240

約数和(自身を除く): 95304640

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 25, 32, 40, 50, 80, 100, 113, 160, 200, 226, 400, 452, 565, 719, 800, 904, 1130, 1438, 1808, 2260, 2825, 2876, 3595, 3616, 4520, 5650, 5752, 7190, 9040, 11300, 11504, 14380, 17975, 18080, 22600, 23008, 28760, 35950, 45200, 57520, 71900, 81247, 90400, 115040, 143800, 162494, 287600, 324988, 406235, 575200, 649976, 812470, 1299952, 1624940, 2031175, 2599904, 3249880, 4062350, 6499760, 8124700, 12999520, 16249400, 32498800, 64997600]

約数ペア:

[(1, 64997600), (2, 32498800), (4, 16249400), (5, 12999520), (8, 8124700), (10, 6499760), (16, 4062350), (20, 3249880), (25, 2599904), (32, 2031175), (40, 1624940), (50, 1299952), (80, 812470), (100, 649976), (113, 575200), (160, 406235), (200, 324988), (226, 287600), (400, 162494), (452, 143800), (565, 115040), (719, 90400), (800, 81247), (904, 71900), (1130, 57520), (1438, 45200), (1808, 35950), (2260, 28760), (2825, 23008), (2876, 22600), (3595, 18080), (3616, 17975), (4520, 14380), (5650, 11504), (5752, 11300), (7190, 9040)]