40397488

素因数分解:

$2^4\times {\mathrm{37}}^1\times {\mathrm{68239}}^1$

素因数の和:68284

約数の個数: 20

約数和(自身を含む): 80386720

約数和(自身を除く): 39989232

約数列:

[1, 2, 4, 8, 16, 37, 74, 148, 296, 592, 68239, 136478, 272956, 545912, 1091824, 2524843, 5049686, 10099372, 20198744, 40397488]

約数ペア:

[(1, 40397488), (2, 20198744), (4, 10099372), (8, 5049686), (16, 2524843), (37, 1091824), (74, 545912), (148, 272956), (296, 136478), (592, 68239)]