28519880

素因数分解:

$2^3\times 5^1\times {\mathrm{17}}^1\times {\mathrm{41941}}^1$

素因数の和:41969

約数の個数: 32

約数和(自身を含む): 67946040

約数和(自身を除く): 39426160

約数列:

[1, 2, 4, 5, 8, 10, 17, 20, 34, 40, 68, 85, 136, 170, 340, 680, 41941, 83882, 167764, 209705, 335528, 419410, 712997, 838820, 1425994, 1677640, 2851988, 3564985, 5703976, 7129970, 14259940, 28519880]

約数ペア:

[(1, 28519880), (2, 14259940), (4, 7129970), (5, 5703976), (8, 3564985), (10, 2851988), (17, 1677640), (20, 1425994), (34, 838820), (40, 712997), (68, 419410), (85, 335528), (136, 209705), (170, 167764), (340, 83882), (680, 41941)]