99142720

素因数分解:

$2^6\times 5^1\times {\mathrm{491}}^1\times {\mathrm{631}}^1$

素因数の和:1139

約数の個数: 56

約数和(自身を含む): 236939328

約数和(自身を除く): 137796608

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 64, 80, 160, 320, 491, 631, 982, 1262, 1964, 2455, 2524, 3155, 3928, 4910, 5048, 6310, 7856, 9820, 10096, 12620, 15712, 19640, 20192, 25240, 31424, 39280, 40384, 50480, 78560, 100960, 157120, 201920, 309821, 619642, 1239284, 1549105, 2478568, 3098210, 4957136, 6196420, 9914272, 12392840, 19828544, 24785680, 49571360, 99142720]

約数ペア:

[(1, 99142720), (2, 49571360), (4, 24785680), (5, 19828544), (8, 12392840), (10, 9914272), (16, 6196420), (20, 4957136), (32, 3098210), (40, 2478568), (64, 1549105), (80, 1239284), (160, 619642), (320, 309821), (491, 201920), (631, 157120), (982, 100960), (1262, 78560), (1964, 50480), (2455, 40384), (2524, 39280), (3155, 31424), (3928, 25240), (4910, 20192), (5048, 19640), (6310, 15712), (7856, 12620), (9820, 10096)]