48138760

素因数分解:

$2^3\times 5^1\times {\mathrm{61}}^1\times {\mathrm{109}}^1\times {\mathrm{181}}^1$

素因数の和:362

約数の個数: 64

約数和(自身を含む): 111711600

約数和(自身を除く): 63572840

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 61, 109, 122, 181, 218, 244, 305, 362, 436, 488, 545, 610, 724, 872, 905, 1090, 1220, 1448, 1810, 2180, 2440, 3620, 4360, 6649, 7240, 11041, 13298, 19729, 22082, 26596, 33245, 39458, 44164, 53192, 55205, 66490, 78916, 88328, 98645, 110410, 132980, 157832, 197290, 220820, 265960, 394580, 441640, 789160, 1203469, 2406938, 4813876, 6017345, 9627752, 12034690, 24069380, 48138760]

約数ペア:

[(1, 48138760), (2, 24069380), (4, 12034690), (5, 9627752), (8, 6017345), (10, 4813876), (20, 2406938), (40, 1203469), (61, 789160), (109, 441640), (122, 394580), (181, 265960), (218, 220820), (244, 197290), (305, 157832), (362, 132980), (436, 110410), (488, 98645), (545, 88328), (610, 78916), (724, 66490), (872, 55205), (905, 53192), (1090, 44164), (1220, 39458), (1448, 33245), (1810, 26596), (2180, 22082), (2440, 19729), (3620, 13298), (4360, 11041), (6649, 7240)]