52400140

素因数分解:

$2^2\times 5^1\times {\mathrm{13}}^2\times {\mathrm{37}}^1\times {\mathrm{419}}^1$

素因数の和:491

約数の個数: 72

約数和(自身を含む): 122668560

約数和(自身を除く): 70268420

約数列:

[1, 2, 4, 5, 10, 13, 20, 26, 37, 52, 65, 74, 130, 148, 169, 185, 260, 338, 370, 419, 481, 676, 740, 838, 845, 962, 1676, 1690, 1924, 2095, 2405, 3380, 4190, 4810, 5447, 6253, 8380, 9620, 10894, 12506, 15503, 21788, 25012, 27235, 31006, 31265, 54470, 62012, 62530, 70811, 77515, 108940, 125060, 141622, 155030, 201539, 283244, 310060, 354055, 403078, 708110, 806156, 1007695, 1416220, 2015390, 2620007, 4030780, 5240014, 10480028, 13100035, 26200070, 52400140]

約数ペア:

[(1, 52400140), (2, 26200070), (4, 13100035), (5, 10480028), (10, 5240014), (13, 4030780), (20, 2620007), (26, 2015390), (37, 1416220), (52, 1007695), (65, 806156), (74, 708110), (130, 403078), (148, 354055), (169, 310060), (185, 283244), (260, 201539), (338, 155030), (370, 141622), (419, 125060), (481, 108940), (676, 77515), (740, 70811), (838, 62530), (845, 62012), (962, 54470), (1676, 31265), (1690, 31006), (1924, 27235), (2095, 25012), (2405, 21788), (3380, 15503), (4190, 12506), (4810, 10894), (5447, 9620), (6253, 8380)]