3788891980

素因数分解:

$2^2\times 5^1\times {\mathrm{89}}^1\times {\mathrm{2128591}}^1$

素因数の和:2128689

約数の個数: 24

約数和(自身を含む): 8046077760

約数和(自身を除く): 4257185780

約数列:

[1, 2, 4, 5, 10, 20, 89, 178, 356, 445, 890, 1780, 2128591, 4257182, 8514364, 10642955, 21285910, 42571820, 189444599, 378889198, 757778396, 947222995, 1894445990, 3788891980]

約数ペア:

[(1, 3788891980), (2, 1894445990), (4, 947222995), (5, 757778396), (10, 378889198), (20, 189444599), (89, 42571820), (178, 21285910), (356, 10642955), (445, 8514364), (890, 4257182), (1780, 2128591)]