130861520

素因数分解:

$2^4\times 5^1\times {\mathrm{71}}^1\times {\mathrm{23039}}^1$

素因数の和:23123

約数の個数: 40

約数和(自身を含む): 308551680

約数和(自身を除く): 177690160

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 71, 80, 142, 284, 355, 568, 710, 1136, 1420, 2840, 5680, 23039, 46078, 92156, 115195, 184312, 230390, 368624, 460780, 921560, 1635769, 1843120, 3271538, 6543076, 8178845, 13086152, 16357690, 26172304, 32715380, 65430760, 130861520]

約数ペア:

[(1, 130861520), (2, 65430760), (4, 32715380), (5, 26172304), (8, 16357690), (10, 13086152), (16, 8178845), (20, 6543076), (40, 3271538), (71, 1843120), (80, 1635769), (142, 921560), (284, 460780), (355, 368624), (568, 230390), (710, 184312), (1136, 115195), (1420, 92156), (2840, 46078), (5680, 23039)]