39640010

素因数分解:

$2^1\times 5^1\times {\mathrm{31}}^1\times {\mathrm{71}}^1\times {\mathrm{1801}}^1$

素因数の和:1910

約数の個数: 32

約数和(自身を含む): 74732544

約数和(自身を除く): 35092534

約数列:

[1, 2, 5, 10, 31, 62, 71, 142, 155, 310, 355, 710, 1801, 2201, 3602, 4402, 9005, 11005, 18010, 22010, 55831, 111662, 127871, 255742, 279155, 558310, 639355, 1278710, 3964001, 7928002, 19820005, 39640010]

約数ペア:

[(1, 39640010), (2, 19820005), (5, 7928002), (10, 3964001), (31, 1278710), (62, 639355), (71, 558310), (142, 279155), (155, 255742), (310, 127871), (355, 111662), (710, 55831), (1801, 22010), (2201, 18010), (3602, 11005), (4402, 9005)]