69298640

素因数分解:

$2^4\times 5^1\times {\mathrm{31}}^1\times {\mathrm{27943}}^1$

素因数の和:27987

約数の個数: 40

約数和(自身を含む): 166322688

約数和(自身を除く): 97024048

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 31, 40, 62, 80, 124, 155, 248, 310, 496, 620, 1240, 2480, 27943, 55886, 111772, 139715, 223544, 279430, 447088, 558860, 866233, 1117720, 1732466, 2235440, 3464932, 4331165, 6929864, 8662330, 13859728, 17324660, 34649320, 69298640]

約数ペア:

[(1, 69298640), (2, 34649320), (4, 17324660), (5, 13859728), (8, 8662330), (10, 6929864), (16, 4331165), (20, 3464932), (31, 2235440), (40, 1732466), (62, 1117720), (80, 866233), (124, 558860), (155, 447088), (248, 279430), (310, 223544), (496, 139715), (620, 111772), (1240, 55886), (2480, 27943)]