870509840

素因数分解:

$2^4\times 5^1\times {\mathrm{397}}^1\times {\mathrm{27409}}^1$

素因数の和:27819

約数の個数: 40

約数和(自身を含む): 2029107480

約数和(自身を除く): 1158597640

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 397, 794, 1588, 1985, 3176, 3970, 6352, 7940, 15880, 27409, 31760, 54818, 109636, 137045, 219272, 274090, 438544, 548180, 1096360, 2192720, 10881373, 21762746, 43525492, 54406865, 87050984, 108813730, 174101968, 217627460, 435254920, 870509840]

約数ペア:

[(1, 870509840), (2, 435254920), (4, 217627460), (5, 174101968), (8, 108813730), (10, 87050984), (16, 54406865), (20, 43525492), (40, 21762746), (80, 10881373), (397, 2192720), (794, 1096360), (1588, 548180), (1985, 438544), (3176, 274090), (3970, 219272), (6352, 137045), (7940, 109636), (15880, 54818), (27409, 31760)]