87969220

素因数分解:

$2^2\times 5^1\times {\mathrm{17}}^1\times {\mathrm{258733}}^1$

素因数の和:258759

約数の個数: 24

約数和(自身を含む): 195602904

約数和(自身を除く): 107633684

約数列:

[1, 2, 4, 5, 10, 17, 20, 34, 68, 85, 170, 340, 258733, 517466, 1034932, 1293665, 2587330, 4398461, 5174660, 8796922, 17593844, 21992305, 43984610, 87969220]

約数ペア:

[(1, 87969220), (2, 43984610), (4, 21992305), (5, 17593844), (10, 8796922), (17, 5174660), (20, 4398461), (34, 2587330), (68, 1293665), (85, 1034932), (170, 517466), (340, 258733)]