80443480

素因数分解:

$2^3\times 5^1\times {\mathrm{13}}^1\times {\mathrm{154699}}^1$

素因数の和:154723

約数の個数: 32

約数和(自身を含む): 194922000

約数和(自身を除く): 114478520

約数列:

[1, 2, 4, 5, 8, 10, 13, 20, 26, 40, 52, 65, 104, 130, 260, 520, 154699, 309398, 618796, 773495, 1237592, 1546990, 2011087, 3093980, 4022174, 6187960, 8044348, 10055435, 16088696, 20110870, 40221740, 80443480]

約数ペア:

[(1, 80443480), (2, 40221740), (4, 20110870), (5, 16088696), (8, 10055435), (10, 8044348), (13, 6187960), (20, 4022174), (26, 3093980), (40, 2011087), (52, 1546990), (65, 1237592), (104, 773495), (130, 618796), (260, 309398), (520, 154699)]