80757380

素因数分解:

$2^2\times 5^1\times {\mathrm{11}}^1\times {\mathrm{331}}^1\times {\mathrm{1109}}^1$

素因数の和:1460

約数の個数: 48

約数和(自身を含む): 185734080

約数和(自身を除く): 104976700

約数列:

[1, 2, 4, 5, 10, 11, 20, 22, 44, 55, 110, 220, 331, 662, 1109, 1324, 1655, 2218, 3310, 3641, 4436, 5545, 6620, 7282, 11090, 12199, 14564, 18205, 22180, 24398, 36410, 48796, 60995, 72820, 121990, 243980, 367079, 734158, 1468316, 1835395, 3670790, 4037869, 7341580, 8075738, 16151476, 20189345, 40378690, 80757380]

約数ペア:

[(1, 80757380), (2, 40378690), (4, 20189345), (5, 16151476), (10, 8075738), (11, 7341580), (20, 4037869), (22, 3670790), (44, 1835395), (55, 1468316), (110, 734158), (220, 367079), (331, 243980), (662, 121990), (1109, 72820), (1324, 60995), (1655, 48796), (2218, 36410), (3310, 24398), (3641, 22180), (4436, 18205), (5545, 14564), (6620, 12199), (7282, 11090)]