65569880

素因数分解:

$2^3\times 5^1\times {\mathrm{1187}}^1\times {\mathrm{1381}}^1$

素因数の和:2579

約数の個数: 32

約数和(自身を含む): 147763440

約数和(自身を除く): 82193560

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 1187, 1381, 2374, 2762, 4748, 5524, 5935, 6905, 9496, 11048, 11870, 13810, 23740, 27620, 47480, 55240, 1639247, 3278494, 6556988, 8196235, 13113976, 16392470, 32784940, 65569880]

約数ペア:

[(1, 65569880), (2, 32784940), (4, 16392470), (5, 13113976), (8, 8196235), (10, 6556988), (20, 3278494), (40, 1639247), (1187, 55240), (1381, 47480), (2374, 27620), (2762, 23740), (4748, 13810), (5524, 11870), (5935, 11048), (6905, 9496)]