2051249720

素因数分解:

$2^3\times 5^1\times {\mathrm{13}}^1\times {\mathrm{3944711}}^1$

素因数の和:3944735

約数の個数: 32

約数和(自身を含む): 4970337120

約数和(自身を除く): 2919087400

約数列:

[1, 2, 4, 5, 8, 10, 13, 20, 26, 40, 52, 65, 104, 130, 260, 520, 3944711, 7889422, 15778844, 19723555, 31557688, 39447110, 51281243, 78894220, 102562486, 157788440, 205124972, 256406215, 410249944, 512812430, 1025624860, 2051249720]

約数ペア:

[(1, 2051249720), (2, 1025624860), (4, 512812430), (5, 410249944), (8, 256406215), (10, 205124972), (13, 157788440), (20, 102562486), (26, 78894220), (40, 51281243), (52, 39447110), (65, 31557688), (104, 19723555), (130, 15778844), (260, 7889422), (520, 3944711)]