55574540

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{71}}^1\times {\mathrm{5591}}^1$

素因数の和:5678

約数の個数: 48

約数和(自身を含む): 135281664

約数和(自身を除く): 79707124

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 70, 71, 140, 142, 284, 355, 497, 710, 994, 1420, 1988, 2485, 4970, 5591, 9940, 11182, 22364, 27955, 39137, 55910, 78274, 111820, 156548, 195685, 391370, 396961, 782740, 793922, 1587844, 1984805, 2778727, 3969610, 5557454, 7939220, 11114908, 13893635, 27787270, 55574540]

約数ペア:

[(1, 55574540), (2, 27787270), (4, 13893635), (5, 11114908), (7, 7939220), (10, 5557454), (14, 3969610), (20, 2778727), (28, 1984805), (35, 1587844), (70, 793922), (71, 782740), (140, 396961), (142, 391370), (284, 195685), (355, 156548), (497, 111820), (710, 78274), (994, 55910), (1420, 39137), (1988, 27955), (2485, 22364), (4970, 11182), (5591, 9940)]