6442040

素因数分解:

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

素因数の和:66

約数の個数: 48

約数和(自身を含む): 15944040

約数和(自身を除く): 9502000

約数列:

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

約数ペア:

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