13212200

素因数分解:

$2^3\times 5^2\times {\mathrm{31}}^1\times {\mathrm{2131}}^1$

素因数の和:2178

約数の個数: 48

約数和(自身を含む): 31724160

約数和(自身を除く): 18511960

約数列:

[1, 2, 4, 5, 8, 10, 20, 25, 31, 40, 50, 62, 100, 124, 155, 200, 248, 310, 620, 775, 1240, 1550, 2131, 3100, 4262, 6200, 8524, 10655, 17048, 21310, 42620, 53275, 66061, 85240, 106550, 132122, 213100, 264244, 330305, 426200, 528488, 660610, 1321220, 1651525, 2642440, 3303050, 6606100, 13212200]

約数ペア:

[(1, 13212200), (2, 6606100), (4, 3303050), (5, 2642440), (8, 1651525), (10, 1321220), (20, 660610), (25, 528488), (31, 426200), (40, 330305), (50, 264244), (62, 213100), (100, 132122), (124, 106550), (155, 85240), (200, 66061), (248, 53275), (310, 42620), (620, 21310), (775, 17048), (1240, 10655), (1550, 8524), (2131, 6200), (3100, 4262)]