80226250

素因数分解:

$2^1\times 5^4\times {\mathrm{13}}^1\times {\mathrm{4937}}^1$

素因数の和:4972

約数の個数: 40

約数和(自身を含む): 161976276

約数和(自身を除く): 81750026

約数列:

[1, 2, 5, 10, 13, 25, 26, 50, 65, 125, 130, 250, 325, 625, 650, 1250, 1625, 3250, 4937, 8125, 9874, 16250, 24685, 49370, 64181, 123425, 128362, 246850, 320905, 617125, 641810, 1234250, 1604525, 3085625, 3209050, 6171250, 8022625, 16045250, 40113125, 80226250]

約数ペア:

[(1, 80226250), (2, 40113125), (5, 16045250), (10, 8022625), (13, 6171250), (25, 3209050), (26, 3085625), (50, 1604525), (65, 1234250), (125, 641810), (130, 617125), (250, 320905), (325, 246850), (625, 128362), (650, 123425), (1250, 64181), (1625, 49370), (3250, 24685), (4937, 16250), (8125, 9874)]