195743920

素因数分解:

$2^4\times 5^1\times {\mathrm{31}}^1\times {\mathrm{78929}}^1$

素因数の和:78973

約数の個数: 40

約数和(自身を含む): 469791360

約数和(自身を除く): 274047440

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 31, 40, 62, 80, 124, 155, 248, 310, 496, 620, 1240, 2480, 78929, 157858, 315716, 394645, 631432, 789290, 1262864, 1578580, 2446799, 3157160, 4893598, 6314320, 9787196, 12233995, 19574392, 24467990, 39148784, 48935980, 97871960, 195743920]

約数ペア:

[(1, 195743920), (2, 97871960), (4, 48935980), (5, 39148784), (8, 24467990), (10, 19574392), (16, 12233995), (20, 9787196), (31, 6314320), (40, 4893598), (62, 3157160), (80, 2446799), (124, 1578580), (155, 1262864), (248, 789290), (310, 631432), (496, 394645), (620, 315716), (1240, 157858), (2480, 78929)]