39831280

素因数分解:

$2^4\times 5^1\times {\mathrm{31}}^1\times {\mathrm{16061}}^1$

素因数の和:16105

約数の個数: 40

約数和(自身を含む): 95601024

約数和(自身を除く): 55769744

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 31, 40, 62, 80, 124, 155, 248, 310, 496, 620, 1240, 2480, 16061, 32122, 64244, 80305, 128488, 160610, 256976, 321220, 497891, 642440, 995782, 1284880, 1991564, 2489455, 3983128, 4978910, 7966256, 9957820, 19915640, 39831280]

約数ペア:

[(1, 39831280), (2, 19915640), (4, 9957820), (5, 7966256), (8, 4978910), (10, 3983128), (16, 2489455), (20, 1991564), (31, 1284880), (40, 995782), (62, 642440), (80, 497891), (124, 321220), (155, 256976), (248, 160610), (310, 128488), (496, 80305), (620, 64244), (1240, 32122), (2480, 16061)]