22439980

素因数分解:

$2^2\times 5^1\times {\mathrm{43}}^1\times {\mathrm{97}}^1\times {\mathrm{269}}^1$

素因数の和:418

約数の個数: 48

約数和(自身を含む): 48898080

約数和(自身を除く): 26458100

約数列:

[1, 2, 4, 5, 10, 20, 43, 86, 97, 172, 194, 215, 269, 388, 430, 485, 538, 860, 970, 1076, 1345, 1940, 2690, 4171, 5380, 8342, 11567, 16684, 20855, 23134, 26093, 41710, 46268, 52186, 57835, 83420, 104372, 115670, 130465, 231340, 260930, 521860, 1121999, 2243998, 4487996, 5609995, 11219990, 22439980]

約数ペア:

[(1, 22439980), (2, 11219990), (4, 5609995), (5, 4487996), (10, 2243998), (20, 1121999), (43, 521860), (86, 260930), (97, 231340), (172, 130465), (194, 115670), (215, 104372), (269, 83420), (388, 57835), (430, 52186), (485, 46268), (538, 41710), (860, 26093), (970, 23134), (1076, 20855), (1345, 16684), (1940, 11567), (2690, 8342), (4171, 5380)]