142219520

素因数分解:

$2^8\times 5^1\times {\mathrm{111109}}^1$

素因数の和:111130

約数の個数: 36

約数和(自身を含む): 340663260

約数和(自身を除く): 198443740

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 64, 80, 128, 160, 256, 320, 640, 1280, 111109, 222218, 444436, 555545, 888872, 1111090, 1777744, 2222180, 3555488, 4444360, 7110976, 8888720, 14221952, 17777440, 28443904, 35554880, 71109760, 142219520]

約数ペア:

[(1, 142219520), (2, 71109760), (4, 35554880), (5, 28443904), (8, 17777440), (10, 14221952), (16, 8888720), (20, 7110976), (32, 4444360), (40, 3555488), (64, 2222180), (80, 1777744), (128, 1111090), (160, 888872), (256, 555545), (320, 444436), (640, 222218), (1280, 111109)]