24780160

素因数分解:

$2^7\times 5^1\times {\mathrm{31}}^1\times {\mathrm{1249}}^1$

素因数の和:1299

約数の個数: 64

約数和(自身を含む): 61200000

約数和(自身を除く): 36419840

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 31, 32, 40, 62, 64, 80, 124, 128, 155, 160, 248, 310, 320, 496, 620, 640, 992, 1240, 1249, 1984, 2480, 2498, 3968, 4960, 4996, 6245, 9920, 9992, 12490, 19840, 19984, 24980, 38719, 39968, 49960, 77438, 79936, 99920, 154876, 159872, 193595, 199840, 309752, 387190, 399680, 619504, 774380, 799360, 1239008, 1548760, 2478016, 3097520, 4956032, 6195040, 12390080, 24780160]

約数ペア:

[(1, 24780160), (2, 12390080), (4, 6195040), (5, 4956032), (8, 3097520), (10, 2478016), (16, 1548760), (20, 1239008), (31, 799360), (32, 774380), (40, 619504), (62, 399680), (64, 387190), (80, 309752), (124, 199840), (128, 193595), (155, 159872), (160, 154876), (248, 99920), (310, 79936), (320, 77438), (496, 49960), (620, 39968), (640, 38719), (992, 24980), (1240, 19984), (1249, 19840), (1984, 12490), (2480, 9992), (2498, 9920), (3968, 6245), (4960, 4996)]