54321380

素因数分解:

$2^2\times 5^1\times {\mathrm{19}}^1\times {\mathrm{163}}^1\times {\mathrm{877}}^1$

素因数の和:1068

約数の個数: 48

約数和(自身を含む): 120953280

約数和(自身を除く): 66631900

約数列:

[1, 2, 4, 5, 10, 19, 20, 38, 76, 95, 163, 190, 326, 380, 652, 815, 877, 1630, 1754, 3097, 3260, 3508, 4385, 6194, 8770, 12388, 15485, 16663, 17540, 30970, 33326, 61940, 66652, 83315, 142951, 166630, 285902, 333260, 571804, 714755, 1429510, 2716069, 2859020, 5432138, 10864276, 13580345, 27160690, 54321380]

約数ペア:

[(1, 54321380), (2, 27160690), (4, 13580345), (5, 10864276), (10, 5432138), (19, 2859020), (20, 2716069), (38, 1429510), (76, 714755), (95, 571804), (163, 333260), (190, 285902), (326, 166630), (380, 142951), (652, 83315), (815, 66652), (877, 61940), (1630, 33326), (1754, 30970), (3097, 17540), (3260, 16663), (3508, 15485), (4385, 12388), (6194, 8770)]