87974480

素因数分解:

$2^4\times 5^1\times {\mathrm{11}}^1\times {\mathrm{99971}}^1$

素因数の和:99995

約数の個数: 40

約数和(自身を含む): 223137504

約数和(自身を除く): 135163024

約数列:

[1, 2, 4, 5, 8, 10, 11, 16, 20, 22, 40, 44, 55, 80, 88, 110, 176, 220, 440, 880, 99971, 199942, 399884, 499855, 799768, 999710, 1099681, 1599536, 1999420, 2199362, 3998840, 4398724, 5498405, 7997680, 8797448, 10996810, 17594896, 21993620, 43987240, 87974480]

約数ペア:

[(1, 87974480), (2, 43987240), (4, 21993620), (5, 17594896), (8, 10996810), (10, 8797448), (11, 7997680), (16, 5498405), (20, 4398724), (22, 3998840), (40, 2199362), (44, 1999420), (55, 1599536), (80, 1099681), (88, 999710), (110, 799768), (176, 499855), (220, 399884), (440, 199942), (880, 99971)]