125999120

素因数分解:

$2^4\times 5^1\times {\mathrm{13}}^1\times {\mathrm{97}}^1\times {\mathrm{1249}}^1$

素因数の和:1372

約数の個数: 80

約数和(自身を含む): 318990000

約数和(自身を除く): 192990880

約数列:

[1, 2, 4, 5, 8, 10, 13, 16, 20, 26, 40, 52, 65, 80, 97, 104, 130, 194, 208, 260, 388, 485, 520, 776, 970, 1040, 1249, 1261, 1552, 1940, 2498, 2522, 3880, 4996, 5044, 6245, 6305, 7760, 9992, 10088, 12490, 12610, 16237, 19984, 20176, 24980, 25220, 32474, 49960, 50440, 64948, 81185, 99920, 100880, 121153, 129896, 162370, 242306, 259792, 324740, 484612, 605765, 649480, 969224, 1211530, 1298960, 1574989, 1938448, 2423060, 3149978, 4846120, 6299956, 7874945, 9692240, 12599912, 15749890, 25199824, 31499780, 62999560, 125999120]

約数ペア:

[(1, 125999120), (2, 62999560), (4, 31499780), (5, 25199824), (8, 15749890), (10, 12599912), (13, 9692240), (16, 7874945), (20, 6299956), (26, 4846120), (40, 3149978), (52, 2423060), (65, 1938448), (80, 1574989), (97, 1298960), (104, 1211530), (130, 969224), (194, 649480), (208, 605765), (260, 484612), (388, 324740), (485, 259792), (520, 242306), (776, 162370), (970, 129896), (1040, 121153), (1249, 100880), (1261, 99920), (1552, 81185), (1940, 64948), (2498, 50440), (2522, 49960), (3880, 32474), (4996, 25220), (5044, 24980), (6245, 20176), (6305, 19984), (7760, 16237), (9992, 12610), (10088, 12490)]