5252780

素因数分解:

$2^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{89}}^1\times {\mathrm{227}}^1$

素因数の和:338

約数の個数: 48

約数和(自身を含む): 12065760

約数和(自身を除く): 6812980

約数列:

[1, 2, 4, 5, 10, 13, 20, 26, 52, 65, 89, 130, 178, 227, 260, 356, 445, 454, 890, 908, 1135, 1157, 1780, 2270, 2314, 2951, 4540, 4628, 5785, 5902, 11570, 11804, 14755, 20203, 23140, 29510, 40406, 59020, 80812, 101015, 202030, 262639, 404060, 525278, 1050556, 1313195, 2626390, 5252780]

約数ペア:

[(1, 5252780), (2, 2626390), (4, 1313195), (5, 1050556), (10, 525278), (13, 404060), (20, 262639), (26, 202030), (52, 101015), (65, 80812), (89, 59020), (130, 40406), (178, 29510), (227, 23140), (260, 20203), (356, 14755), (445, 11804), (454, 11570), (890, 5902), (908, 5785), (1135, 4628), (1157, 4540), (1780, 2951), (2270, 2314)]