71782040

素因数分解:

$2^3\times 5^1\times {\mathrm{11}}^2\times {\mathrm{14831}}^1$

素因数の和:14864

約数の個数: 48

約数和(自身を含む): 177539040

約数和(自身を除く): 105757000

約数列:

[1, 2, 4, 5, 8, 10, 11, 20, 22, 40, 44, 55, 88, 110, 121, 220, 242, 440, 484, 605, 968, 1210, 2420, 4840, 14831, 29662, 59324, 74155, 118648, 148310, 163141, 296620, 326282, 593240, 652564, 815705, 1305128, 1631410, 1794551, 3262820, 3589102, 6525640, 7178204, 8972755, 14356408, 17945510, 35891020, 71782040]

約数ペア:

[(1, 71782040), (2, 35891020), (4, 17945510), (5, 14356408), (8, 8972755), (10, 7178204), (11, 6525640), (20, 3589102), (22, 3262820), (40, 1794551), (44, 1631410), (55, 1305128), (88, 815705), (110, 652564), (121, 593240), (220, 326282), (242, 296620), (440, 163141), (484, 148310), (605, 118648), (968, 74155), (1210, 59324), (2420, 29662), (4840, 14831)]