8811220

素因数分解:

$2^2\times 5^1\times {\mathrm{11}}^3\times {\mathrm{331}}^1$

素因数の和:373

約数の個数: 48

約数和(自身を含む): 20414016

約数和(自身を除く): 11602796

約数列:

[1, 2, 4, 5, 10, 11, 20, 22, 44, 55, 110, 121, 220, 242, 331, 484, 605, 662, 1210, 1324, 1331, 1655, 2420, 2662, 3310, 3641, 5324, 6620, 6655, 7282, 13310, 14564, 18205, 26620, 36410, 40051, 72820, 80102, 160204, 200255, 400510, 440561, 801020, 881122, 1762244, 2202805, 4405610, 8811220]

約数ペア:

[(1, 8811220), (2, 4405610), (4, 2202805), (5, 1762244), (10, 881122), (11, 801020), (20, 440561), (22, 400510), (44, 200255), (55, 160204), (110, 80102), (121, 72820), (220, 40051), (242, 36410), (331, 26620), (484, 18205), (605, 14564), (662, 13310), (1210, 7282), (1324, 6655), (1331, 6620), (1655, 5324), (2420, 3641), (2662, 3310)]