51479840

素因数分解:

$2^5\times 5^1\times {\mathrm{31}}^1\times {\mathrm{97}}^1\times {\mathrm{107}}^1$

素因数の和:250

約数の個数: 96

約数和(自身を含む): 128024064

約数和(自身を除く): 76544224

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 31, 32, 40, 62, 80, 97, 107, 124, 155, 160, 194, 214, 248, 310, 388, 428, 485, 496, 535, 620, 776, 856, 970, 992, 1070, 1240, 1552, 1712, 1940, 2140, 2480, 3007, 3104, 3317, 3424, 3880, 4280, 4960, 6014, 6634, 7760, 8560, 10379, 12028, 13268, 15035, 15520, 16585, 17120, 20758, 24056, 26536, 30070, 33170, 41516, 48112, 51895, 53072, 60140, 66340, 83032, 96224, 103790, 106144, 120280, 132680, 166064, 207580, 240560, 265360, 321749, 332128, 415160, 481120, 530720, 643498, 830320, 1286996, 1608745, 1660640, 2573992, 3217490, 5147984, 6434980, 10295968, 12869960, 25739920, 51479840]

約数ペア:

[(1, 51479840), (2, 25739920), (4, 12869960), (5, 10295968), (8, 6434980), (10, 5147984), (16, 3217490), (20, 2573992), (31, 1660640), (32, 1608745), (40, 1286996), (62, 830320), (80, 643498), (97, 530720), (107, 481120), (124, 415160), (155, 332128), (160, 321749), (194, 265360), (214, 240560), (248, 207580), (310, 166064), (388, 132680), (428, 120280), (485, 106144), (496, 103790), (535, 96224), (620, 83032), (776, 66340), (856, 60140), (970, 53072), (992, 51895), (1070, 48112), (1240, 41516), (1552, 33170), (1712, 30070), (1940, 26536), (2140, 24056), (2480, 20758), (3007, 17120), (3104, 16585), (3317, 15520), (3424, 15035), (3880, 13268), (4280, 12028), (4960, 10379), (6014, 8560), (6634, 7760)]