4076709680

素因数分解:

$2^4\times 5^1\times {\mathrm{79}}^1\times {\mathrm{645049}}^1$

素因数の和:645141

約数の個数: 40

約数和(自身を含む): 9598344000

約数和(自身を除く): 5521634320

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 79, 80, 158, 316, 395, 632, 790, 1264, 1580, 3160, 6320, 645049, 1290098, 2580196, 3225245, 5160392, 6450490, 10320784, 12900980, 25801960, 50958871, 51603920, 101917742, 203835484, 254794355, 407670968, 509588710, 815341936, 1019177420, 2038354840, 4076709680]

約数ペア:

[(1, 4076709680), (2, 2038354840), (4, 1019177420), (5, 815341936), (8, 509588710), (10, 407670968), (16, 254794355), (20, 203835484), (40, 101917742), (79, 51603920), (80, 50958871), (158, 25801960), (316, 12900980), (395, 10320784), (632, 6450490), (790, 5160392), (1264, 3225245), (1580, 2580196), (3160, 1290098), (6320, 645049)]