84259760

素因数分解:

$2^4\times 5^1\times {\mathrm{13}}^1\times {\mathrm{81019}}^1$

素因数の和:81045

約数の個数: 40

約数和(自身を含む): 210976080

約数和(自身を除く): 126716320

約数列:

[1, 2, 4, 5, 8, 10, 13, 16, 20, 26, 40, 52, 65, 80, 104, 130, 208, 260, 520, 1040, 81019, 162038, 324076, 405095, 648152, 810190, 1053247, 1296304, 1620380, 2106494, 3240760, 4212988, 5266235, 6481520, 8425976, 10532470, 16851952, 21064940, 42129880, 84259760]

約数ペア:

[(1, 84259760), (2, 42129880), (4, 21064940), (5, 16851952), (8, 10532470), (10, 8425976), (13, 6481520), (16, 5266235), (20, 4212988), (26, 3240760), (40, 2106494), (52, 1620380), (65, 1296304), (80, 1053247), (104, 810190), (130, 648152), (208, 405095), (260, 324076), (520, 162038), (1040, 81019)]