87739340

素因数分解:

$2^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{17761}}^1$

素因数の和:17802

約数の個数: 48

約数和(自身を含む): 208881120

約数和(自身を除く): 121141780

約数列:

[1, 2, 4, 5, 10, 13, 19, 20, 26, 38, 52, 65, 76, 95, 130, 190, 247, 260, 380, 494, 988, 1235, 2470, 4940, 17761, 35522, 71044, 88805, 177610, 230893, 337459, 355220, 461786, 674918, 923572, 1154465, 1349836, 1687295, 2308930, 3374590, 4386967, 4617860, 6749180, 8773934, 17547868, 21934835, 43869670, 87739340]

約数ペア:

[(1, 87739340), (2, 43869670), (4, 21934835), (5, 17547868), (10, 8773934), (13, 6749180), (19, 4617860), (20, 4386967), (26, 3374590), (38, 2308930), (52, 1687295), (65, 1349836), (76, 1154465), (95, 923572), (130, 674918), (190, 461786), (247, 355220), (260, 337459), (380, 230893), (494, 177610), (988, 88805), (1235, 71044), (2470, 35522), (4940, 17761)]