89769940

素因数分解:

$2^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{379}}^1\times {\mathrm{911}}^1$

素因数の和:1312

約数の個数: 48

約数和(自身を含む): 203777280

約数和(自身を除く): 114007340

約数列:

[1, 2, 4, 5, 10, 13, 20, 26, 52, 65, 130, 260, 379, 758, 911, 1516, 1822, 1895, 3644, 3790, 4555, 4927, 7580, 9110, 9854, 11843, 18220, 19708, 23686, 24635, 47372, 49270, 59215, 98540, 118430, 236860, 345269, 690538, 1381076, 1726345, 3452690, 4488497, 6905380, 8976994, 17953988, 22442485, 44884970, 89769940]

約数ペア:

[(1, 89769940), (2, 44884970), (4, 22442485), (5, 17953988), (10, 8976994), (13, 6905380), (20, 4488497), (26, 3452690), (52, 1726345), (65, 1381076), (130, 690538), (260, 345269), (379, 236860), (758, 118430), (911, 98540), (1516, 59215), (1822, 49270), (1895, 47372), (3644, 24635), (3790, 23686), (4555, 19708), (4927, 18220), (7580, 11843), (9110, 9854)]