8775153640

素因数分解:

$2^3\times 5^1\times {\mathrm{11}}^1\times {\mathrm{19943531}}^1$

素因数の和:19943553

約数の個数: 32

約数和(自身を含む): 21539014560

約数和(自身を除く): 12763860920

約数列:

[1, 2, 4, 5, 8, 10, 11, 20, 22, 40, 44, 55, 88, 110, 220, 440, 19943531, 39887062, 79774124, 99717655, 159548248, 199435310, 219378841, 398870620, 438757682, 797741240, 877515364, 1096894205, 1755030728, 2193788410, 4387576820, 8775153640]

約数ペア:

[(1, 8775153640), (2, 4387576820), (4, 2193788410), (5, 1755030728), (8, 1096894205), (10, 877515364), (11, 797741240), (20, 438757682), (22, 398870620), (40, 219378841), (44, 199435310), (55, 159548248), (88, 99717655), (110, 79774124), (220, 39887062), (440, 19943531)]