49972000

素因数分解:

$2^5\times 5^3\times {\mathrm{13}}^1\times {\mathrm{31}}^2$

素因数の和:100

約数の個数: 144

約数和(自身を含む): 136628856

約数和(自身を除く): 86656856

約数列:

[1, 2, 4, 5, 8, 10, 13, 16, 20, 25, 26, 31, 32, 40, 50, 52, 62, 65, 80, 100, 104, 124, 125, 130, 155, 160, 200, 208, 248, 250, 260, 310, 325, 400, 403, 416, 496, 500, 520, 620, 650, 775, 800, 806, 961, 992, 1000, 1040, 1240, 1300, 1550, 1612, 1625, 1922, 2000, 2015, 2080, 2480, 2600, 3100, 3224, 3250, 3844, 3875, 4000, 4030, 4805, 4960, 5200, 6200, 6448, 6500, 7688, 7750, 8060, 9610, 10075, 10400, 12400, 12493, 12896, 13000, 15376, 15500, 16120, 19220, 20150, 24025, 24800, 24986, 26000, 30752, 31000, 32240, 38440, 40300, 48050, 49972, 50375, 52000, 62000, 62465, 64480, 76880, 80600, 96100, 99944, 100750, 120125, 124000, 124930, 153760, 161200, 192200, 199888, 201500, 240250, 249860, 312325, 322400, 384400, 399776, 403000, 480500, 499720, 624650, 768800, 806000, 961000, 999440, 1249300, 1561625, 1612000, 1922000, 1998880, 2498600, 3123250, 3844000, 4997200, 6246500, 9994400, 12493000, 24986000, 49972000]

約数ペア:

[(1, 49972000), (2, 24986000), (4, 12493000), (5, 9994400), (8, 6246500), (10, 4997200), (13, 3844000), (16, 3123250), (20, 2498600), (25, 1998880), (26, 1922000), (31, 1612000), (32, 1561625), (40, 1249300), (50, 999440), (52, 961000), (62, 806000), (65, 768800), (80, 624650), (100, 499720), (104, 480500), (124, 403000), (125, 399776), (130, 384400), (155, 322400), (160, 312325), (200, 249860), (208, 240250), (248, 201500), (250, 199888), (260, 192200), (310, 161200), (325, 153760), (400, 124930), (403, 124000), (416, 120125), (496, 100750), (500, 99944), (520, 96100), (620, 80600), (650, 76880), (775, 64480), (800, 62465), (806, 62000), (961, 52000), (992, 50375), (1000, 49972), (1040, 48050), (1240, 40300), (1300, 38440), (1550, 32240), (1612, 31000), (1625, 30752), (1922, 26000), (2000, 24986), (2015, 24800), (2080, 24025), (2480, 20150), (2600, 19220), (3100, 16120), (3224, 15500), (3250, 15376), (3844, 13000), (3875, 12896), (4000, 12493), (4030, 12400), (4805, 10400), (4960, 10075), (5200, 9610), (6200, 8060), (6448, 7750), (6500, 7688)]