129040720

素因数分解:

$2^4\times 5^1\times {\mathrm{29}}^1\times {\mathrm{55621}}^1$

素因数の和:55663

約数の個数: 40

約数和(自身を含む): 310370760

約数和(自身を除く): 181330040

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 29, 40, 58, 80, 116, 145, 232, 290, 464, 580, 1160, 2320, 55621, 111242, 222484, 278105, 444968, 556210, 889936, 1112420, 1613009, 2224840, 3226018, 4449680, 6452036, 8065045, 12904072, 16130090, 25808144, 32260180, 64520360, 129040720]

約数ペア:

[(1, 129040720), (2, 64520360), (4, 32260180), (5, 25808144), (8, 16130090), (10, 12904072), (16, 8065045), (20, 6452036), (29, 4449680), (40, 3226018), (58, 2224840), (80, 1613009), (116, 1112420), (145, 889936), (232, 556210), (290, 444968), (464, 278105), (580, 222484), (1160, 111242), (2320, 55621)]