201993160

素因数分解:

$2^3\times 5^1\times {\mathrm{1871}}^1\times {\mathrm{2699}}^1$

素因数の和:4581

約数の個数: 32

約数和(自身を含む): 454896000

約数和(自身を除く): 252902840

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 1871, 2699, 3742, 5398, 7484, 9355, 10796, 13495, 14968, 18710, 21592, 26990, 37420, 53980, 74840, 107960, 5049829, 10099658, 20199316, 25249145, 40398632, 50498290, 100996580, 201993160]

約数ペア:

[(1, 201993160), (2, 100996580), (4, 50498290), (5, 40398632), (8, 25249145), (10, 20199316), (20, 10099658), (40, 5049829), (1871, 107960), (2699, 74840), (3742, 53980), (5398, 37420), (7484, 26990), (9355, 21592), (10796, 18710), (13495, 14968)]