4031628770

素因数分解:

$2^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{1549}}^1\times {\mathrm{20021}}^1$

素因数の和:21590

約数の個数: 32

約数和(自身を含む): 7820593200

約数和(自身を除く): 3788964430

約数列:

[1, 2, 5, 10, 13, 26, 65, 130, 1549, 3098, 7745, 15490, 20021, 20137, 40042, 40274, 100105, 100685, 200210, 201370, 260273, 520546, 1301365, 2602730, 31012529, 62025058, 155062645, 310125290, 403162877, 806325754, 2015814385, 4031628770]

約数ペア:

[(1, 4031628770), (2, 2015814385), (5, 806325754), (10, 403162877), (13, 310125290), (26, 155062645), (65, 62025058), (130, 31012529), (1549, 2602730), (3098, 1301365), (7745, 520546), (15490, 260273), (20021, 201370), (20137, 200210), (40042, 100685), (40274, 100105)]