65943880

素因数分解:

$2^3\times 5^1\times {\mathrm{347}}^1\times {\mathrm{4751}}^1$

素因数の和:5109

約数の個数: 32

約数和(自身を含む): 148832640

約数和(自身を除く): 82888760

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 347, 694, 1388, 1735, 2776, 3470, 4751, 6940, 9502, 13880, 19004, 23755, 38008, 47510, 95020, 190040, 1648597, 3297194, 6594388, 8242985, 13188776, 16485970, 32971940, 65943880]

約数ペア:

[(1, 65943880), (2, 32971940), (4, 16485970), (5, 13188776), (8, 8242985), (10, 6594388), (20, 3297194), (40, 1648597), (347, 190040), (694, 95020), (1388, 47510), (1735, 38008), (2776, 23755), (3470, 19004), (4751, 13880), (6940, 9502)]