53393780

素因数分解:

$2^2\times 5^1\times {\mathrm{11}}^1\times {\mathrm{31}}^1\times {\mathrm{7829}}^1$

素因数の和:7880

約数の個数: 48

約数和(自身を含む): 126282240

約数和(自身を除く): 72888460

約数列:

[1, 2, 4, 5, 10, 11, 20, 22, 31, 44, 55, 62, 110, 124, 155, 220, 310, 341, 620, 682, 1364, 1705, 3410, 6820, 7829, 15658, 31316, 39145, 78290, 86119, 156580, 172238, 242699, 344476, 430595, 485398, 861190, 970796, 1213495, 1722380, 2426990, 2669689, 4853980, 5339378, 10678756, 13348445, 26696890, 53393780]

約数ペア:

[(1, 53393780), (2, 26696890), (4, 13348445), (5, 10678756), (10, 5339378), (11, 4853980), (20, 2669689), (22, 2426990), (31, 1722380), (44, 1213495), (55, 970796), (62, 861190), (110, 485398), (124, 430595), (155, 344476), (220, 242699), (310, 172238), (341, 156580), (620, 86119), (682, 78290), (1364, 39145), (1705, 31316), (3410, 15658), (6820, 7829)]