80145850

素因数分解:

$2^1\times 5^2\times {\mathrm{29}}^1\times {\mathrm{31}}^1\times {\mathrm{1783}}^1$

素因数の和:1855

約数の個数: 48

約数和(自身を含む): 159275520

約数和(自身を除く): 79129670

約数列:

[1, 2, 5, 10, 25, 29, 31, 50, 58, 62, 145, 155, 290, 310, 725, 775, 899, 1450, 1550, 1783, 1798, 3566, 4495, 8915, 8990, 17830, 22475, 44575, 44950, 51707, 55273, 89150, 103414, 110546, 258535, 276365, 517070, 552730, 1292675, 1381825, 1602917, 2585350, 2763650, 3205834, 8014585, 16029170, 40072925, 80145850]

約数ペア:

[(1, 80145850), (2, 40072925), (5, 16029170), (10, 8014585), (25, 3205834), (29, 2763650), (31, 2585350), (50, 1602917), (58, 1381825), (62, 1292675), (145, 552730), (155, 517070), (290, 276365), (310, 258535), (725, 110546), (775, 103414), (899, 89150), (1450, 55273), (1550, 51707), (1783, 44950), (1798, 44575), (3566, 22475), (4495, 17830), (8915, 8990)]