127934680

素因数分解:

$2^3\times 5^1\times {\mathrm{101}}^1\times {\mathrm{31667}}^1$

素因数の和:31779

約数の個数: 32

約数和(自身を含む): 290712240

約数和(自身を除く): 162777560

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 101, 202, 404, 505, 808, 1010, 2020, 4040, 31667, 63334, 126668, 158335, 253336, 316670, 633340, 1266680, 3198367, 6396734, 12793468, 15991835, 25586936, 31983670, 63967340, 127934680]

約数ペア:

[(1, 127934680), (2, 63967340), (4, 31983670), (5, 25586936), (8, 15991835), (10, 12793468), (20, 6396734), (40, 3198367), (101, 1266680), (202, 633340), (404, 316670), (505, 253336), (808, 158335), (1010, 126668), (2020, 63334), (4040, 31667)]