12902200

素因数分解:

$2^3\times 5^2\times {\mathrm{31}}^1\times {\mathrm{2081}}^1$

素因数の和:2128

約数の個数: 48

約数和(自身を含む): 30980160

約数和(自身を除く): 18077960

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, 2081, 3100, 4162, 6200, 8324, 10405, 16648, 20810, 41620, 52025, 64511, 83240, 104050, 129022, 208100, 258044, 322555, 416200, 516088, 645110, 1290220, 1612775, 2580440, 3225550, 6451100, 12902200]

約数ペア:

[(1, 12902200), (2, 6451100), (4, 3225550), (5, 2580440), (8, 1612775), (10, 1290220), (20, 645110), (25, 516088), (31, 416200), (40, 322555), (50, 258044), (62, 208100), (100, 129022), (124, 104050), (155, 83240), (200, 64511), (248, 52025), (310, 41620), (620, 20810), (775, 16648), (1240, 10405), (1550, 8324), (2081, 6200), (3100, 4162)]