80784808

素因数分解:

$2^3\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{40883}}^1$

素因数の和:40921

約数の個数: 32

約数和(自身を含む): 171712800

約数和(自身を除く): 90927992

約数列:

[1, 2, 4, 8, 13, 19, 26, 38, 52, 76, 104, 152, 247, 494, 988, 1976, 40883, 81766, 163532, 327064, 531479, 776777, 1062958, 1553554, 2125916, 3107108, 4251832, 6214216, 10098101, 20196202, 40392404, 80784808]

約数ペア:

[(1, 80784808), (2, 40392404), (4, 20196202), (8, 10098101), (13, 6214216), (19, 4251832), (26, 3107108), (38, 2125916), (52, 1553554), (76, 1062958), (104, 776777), (152, 531479), (247, 327064), (494, 163532), (988, 81766), (1976, 40883)]