200980

素因数分解:

$2^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{773}}^1$

素因数の和:795

約数の個数: 24

約数和(自身を含む): 455112

約数和(自身を除く): 254132

約数列:

[1, 2, 4, 5, 10, 13, 20, 26, 52, 65, 130, 260, 773, 1546, 3092, 3865, 7730, 10049, 15460, 20098, 40196, 50245, 100490, 200980]

約数ペア:

[(1, 200980), (2, 100490), (4, 50245), (5, 40196), (10, 20098), (13, 15460), (20, 10049), (26, 7730), (52, 3865), (65, 3092), (130, 1546), (260, 773)]