51174680

素因数分解:

$2^3\times 5^1\times {\mathrm{53}}^1\times {\mathrm{101}}^1\times {\mathrm{239}}^1$

素因数の和:404

約数の個数: 64

約数和(自身を含む): 118972800

約数和(自身を除く): 67798120

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 53, 101, 106, 202, 212, 239, 265, 404, 424, 478, 505, 530, 808, 956, 1010, 1060, 1195, 1912, 2020, 2120, 2390, 4040, 4780, 5353, 9560, 10706, 12667, 21412, 24139, 25334, 26765, 42824, 48278, 50668, 53530, 63335, 96556, 101336, 107060, 120695, 126670, 193112, 214120, 241390, 253340, 482780, 506680, 965560, 1279367, 2558734, 5117468, 6396835, 10234936, 12793670, 25587340, 51174680]

約数ペア:

[(1, 51174680), (2, 25587340), (4, 12793670), (5, 10234936), (8, 6396835), (10, 5117468), (20, 2558734), (40, 1279367), (53, 965560), (101, 506680), (106, 482780), (202, 253340), (212, 241390), (239, 214120), (265, 193112), (404, 126670), (424, 120695), (478, 107060), (505, 101336), (530, 96556), (808, 63335), (956, 53530), (1010, 50668), (1060, 48278), (1195, 42824), (1912, 26765), (2020, 25334), (2120, 24139), (2390, 21412), (4040, 12667), (4780, 10706), (5353, 9560)]