80003968

素因数分解:

$2^7\times {\mathrm{11}}^1\times {\mathrm{56821}}^1$

素因数の和:56846

約数の個数: 32

約数和(自身を含む): 173875320

約数和(自身を除く): 93871352

約数列:

[1, 2, 4, 8, 11, 16, 22, 32, 44, 64, 88, 128, 176, 352, 704, 1408, 56821, 113642, 227284, 454568, 625031, 909136, 1250062, 1818272, 2500124, 3636544, 5000248, 7273088, 10000496, 20000992, 40001984, 80003968]

約数ペア:

[(1, 80003968), (2, 40001984), (4, 20000992), (8, 10000496), (11, 7273088), (16, 5000248), (22, 3636544), (32, 2500124), (44, 1818272), (64, 1250062), (88, 909136), (128, 625031), (176, 454568), (352, 227284), (704, 113642), (1408, 56821)]