12884080

素因数分解:

$2^4\times 5^1\times {\mathrm{11}}^5$

素因数の和:68

約数の個数: 60

約数和(自身を含む): 32951016

約数和(自身を除く): 20066936

約数列:

[1, 2, 4, 5, 8, 10, 11, 16, 20, 22, 40, 44, 55, 80, 88, 110, 121, 176, 220, 242, 440, 484, 605, 880, 968, 1210, 1331, 1936, 2420, 2662, 4840, 5324, 6655, 9680, 10648, 13310, 14641, 21296, 26620, 29282, 53240, 58564, 73205, 106480, 117128, 146410, 161051, 234256, 292820, 322102, 585640, 644204, 805255, 1171280, 1288408, 1610510, 2576816, 3221020, 6442040, 12884080]

約数ペア:

[(1, 12884080), (2, 6442040), (4, 3221020), (5, 2576816), (8, 1610510), (10, 1288408), (11, 1171280), (16, 805255), (20, 644204), (22, 585640), (40, 322102), (44, 292820), (55, 234256), (80, 161051), (88, 146410), (110, 117128), (121, 106480), (176, 73205), (220, 58564), (242, 53240), (440, 29282), (484, 26620), (605, 21296), (880, 14641), (968, 13310), (1210, 10648), (1331, 9680), (1936, 6655), (2420, 5324), (2662, 4840)]