65360020

素因数分解:

$2^2\times 5^1\times {\mathrm{11}}^1\times {\mathrm{23}}^1\times {\mathrm{12917}}^1$

素因数の和:12960

約数の個数: 48

約数和(自身を含む): 156256128

約数和(自身を除く): 90896108

約数列:

[1, 2, 4, 5, 10, 11, 20, 22, 23, 44, 46, 55, 92, 110, 115, 220, 230, 253, 460, 506, 1012, 1265, 2530, 5060, 12917, 25834, 51668, 64585, 129170, 142087, 258340, 284174, 297091, 568348, 594182, 710435, 1188364, 1420870, 1485455, 2841740, 2970910, 3268001, 5941820, 6536002, 13072004, 16340005, 32680010, 65360020]

約数ペア:

[(1, 65360020), (2, 32680010), (4, 16340005), (5, 13072004), (10, 6536002), (11, 5941820), (20, 3268001), (22, 2970910), (23, 2841740), (44, 1485455), (46, 1420870), (55, 1188364), (92, 710435), (110, 594182), (115, 568348), (220, 297091), (230, 284174), (253, 258340), (460, 142087), (506, 129170), (1012, 64585), (1265, 51668), (2530, 25834), (5060, 12917)]