80243384

素因数分解:

$2^3\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{40609}}^1$

素因数の和:40647

約数の個数: 32

約数和(自身を含む): 170562000

約数和(自身を除く): 90318616

約数列:

[1, 2, 4, 8, 13, 19, 26, 38, 52, 76, 104, 152, 247, 494, 988, 1976, 40609, 81218, 162436, 324872, 527917, 771571, 1055834, 1543142, 2111668, 3086284, 4223336, 6172568, 10030423, 20060846, 40121692, 80243384]

約数ペア:

[(1, 80243384), (2, 40121692), (4, 20060846), (8, 10030423), (13, 6172568), (19, 4223336), (26, 3086284), (38, 2111668), (52, 1543142), (76, 1055834), (104, 771571), (152, 527917), (247, 324872), (494, 162436), (988, 81218), (1976, 40609)]