204022240

素因数分解:

$2^5\times 5^1\times {\mathrm{79}}^1\times {\mathrm{16141}}^1$

素因数の和:16235

約数の個数: 48

約数和(自身を含む): 488134080

約数和(自身を除く): 284111840

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 79, 80, 158, 160, 316, 395, 632, 790, 1264, 1580, 2528, 3160, 6320, 12640, 16141, 32282, 64564, 80705, 129128, 161410, 258256, 322820, 516512, 645640, 1275139, 1291280, 2550278, 2582560, 5100556, 6375695, 10201112, 12751390, 20402224, 25502780, 40804448, 51005560, 102011120, 204022240]

約数ペア:

[(1, 204022240), (2, 102011120), (4, 51005560), (5, 40804448), (8, 25502780), (10, 20402224), (16, 12751390), (20, 10201112), (32, 6375695), (40, 5100556), (79, 2582560), (80, 2550278), (158, 1291280), (160, 1275139), (316, 645640), (395, 516512), (632, 322820), (790, 258256), (1264, 161410), (1580, 129128), (2528, 80705), (3160, 64564), (6320, 32282), (12640, 16141)]