40267760

素因数分解:

$2^4\times 5^1\times {\mathrm{13}}^1\times {\mathrm{31}}^1\times {\mathrm{1249}}^1$

素因数の和:1306

約数の個数: 80

約数和(自身を含む): 104160000

約数和(自身を除く): 63892240

約数列:

[1, 2, 4, 5, 8, 10, 13, 16, 20, 26, 31, 40, 52, 62, 65, 80, 104, 124, 130, 155, 208, 248, 260, 310, 403, 496, 520, 620, 806, 1040, 1240, 1249, 1612, 2015, 2480, 2498, 3224, 4030, 4996, 6245, 6448, 8060, 9992, 12490, 16120, 16237, 19984, 24980, 32240, 32474, 38719, 49960, 64948, 77438, 81185, 99920, 129896, 154876, 162370, 193595, 259792, 309752, 324740, 387190, 503347, 619504, 649480, 774380, 1006694, 1298960, 1548760, 2013388, 2516735, 3097520, 4026776, 5033470, 8053552, 10066940, 20133880, 40267760]

約数ペア:

[(1, 40267760), (2, 20133880), (4, 10066940), (5, 8053552), (8, 5033470), (10, 4026776), (13, 3097520), (16, 2516735), (20, 2013388), (26, 1548760), (31, 1298960), (40, 1006694), (52, 774380), (62, 649480), (65, 619504), (80, 503347), (104, 387190), (124, 324740), (130, 309752), (155, 259792), (208, 193595), (248, 162370), (260, 154876), (310, 129896), (403, 99920), (496, 81185), (520, 77438), (620, 64948), (806, 49960), (1040, 38719), (1240, 32474), (1249, 32240), (1612, 24980), (2015, 19984), (2480, 16237), (2498, 16120), (3224, 12490), (4030, 9992), (4996, 8060), (6245, 6448)]