71425250

素因数分解:

$2^1\times 5^3\times {\mathrm{13}}^1\times {\mathrm{21977}}^1$

素因数の和:22007

約数の個数: 32

約数和(自身を含む): 143999856

約数和(自身を除く): 72574606

約数列:

[1, 2, 5, 10, 13, 25, 26, 50, 65, 125, 130, 250, 325, 650, 1625, 3250, 21977, 43954, 109885, 219770, 285701, 549425, 571402, 1098850, 1428505, 2747125, 2857010, 5494250, 7142525, 14285050, 35712625, 71425250]

約数ペア:

[(1, 71425250), (2, 35712625), (5, 14285050), (10, 7142525), (13, 5494250), (25, 2857010), (26, 2747125), (50, 1428505), (65, 1098850), (125, 571402), (130, 549425), (250, 285701), (325, 219770), (650, 109885), (1625, 43954), (3250, 21977)]