80848520

素因数分解:

$2^3\times 5^1\times {\mathrm{29}}^1\times {\mathrm{69697}}^1$

素因数の和:69737

約数の個数: 32

約数和(自身を含む): 188184600

約数和(自身を除く): 107336080

約数列:

[1, 2, 4, 5, 8, 10, 20, 29, 40, 58, 116, 145, 232, 290, 580, 1160, 69697, 139394, 278788, 348485, 557576, 696970, 1393940, 2021213, 2787880, 4042426, 8084852, 10106065, 16169704, 20212130, 40424260, 80848520]

約数ペア:

[(1, 80848520), (2, 40424260), (4, 20212130), (5, 16169704), (8, 10106065), (10, 8084852), (20, 4042426), (29, 2787880), (40, 2021213), (58, 1393940), (116, 696970), (145, 557576), (232, 348485), (290, 278788), (580, 139394), (1160, 69697)]