129608440

素因数分解:

$2^3\times 5^1\times {\mathrm{13}}^1\times {\mathrm{281}}^1\times {\mathrm{887}}^1$

素因数の和:1192

約数の個数: 64

約数和(自身を含む): 315524160

約数和(自身を除く): 185915720

約数列:

[1, 2, 4, 5, 8, 10, 13, 20, 26, 40, 52, 65, 104, 130, 260, 281, 520, 562, 887, 1124, 1405, 1774, 2248, 2810, 3548, 3653, 4435, 5620, 7096, 7306, 8870, 11240, 11531, 14612, 17740, 18265, 23062, 29224, 35480, 36530, 46124, 57655, 73060, 92248, 115310, 146120, 230620, 249247, 461240, 498494, 996988, 1246235, 1993976, 2492470, 3240211, 4984940, 6480422, 9969880, 12960844, 16201055, 25921688, 32402110, 64804220, 129608440]

約数ペア:

[(1, 129608440), (2, 64804220), (4, 32402110), (5, 25921688), (8, 16201055), (10, 12960844), (13, 9969880), (20, 6480422), (26, 4984940), (40, 3240211), (52, 2492470), (65, 1993976), (104, 1246235), (130, 996988), (260, 498494), (281, 461240), (520, 249247), (562, 230620), (887, 146120), (1124, 115310), (1405, 92248), (1774, 73060), (2248, 57655), (2810, 46124), (3548, 36530), (3653, 35480), (4435, 29224), (5620, 23062), (7096, 18265), (7306, 17740), (8870, 14612), (11240, 11531)]