88720760

素因数分解:

$2^3\times 5^1\times {\mathrm{31}}^1\times {\mathrm{71549}}^1$

素因数の和:71591

約数の個数: 32

約数和(自身を含む): 206064000

約数和(自身を除く): 117343240

約数列:

[1, 2, 4, 5, 8, 10, 20, 31, 40, 62, 124, 155, 248, 310, 620, 1240, 71549, 143098, 286196, 357745, 572392, 715490, 1430980, 2218019, 2861960, 4436038, 8872076, 11090095, 17744152, 22180190, 44360380, 88720760]

約数ペア:

[(1, 88720760), (2, 44360380), (4, 22180190), (5, 17744152), (8, 11090095), (10, 8872076), (20, 4436038), (31, 2861960), (40, 2218019), (62, 1430980), (124, 715490), (155, 572392), (248, 357745), (310, 286196), (620, 143098), (1240, 71549)]