72967280

素因数分解:

$2^4\times 5^1\times {\mathrm{97}}^1\times {\mathrm{9403}}^1$

素因数の和:9513

約数の個数: 40

約数和(自身を含む): 171416112

約数和(自身を除く): 98448832

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 97, 194, 388, 485, 776, 970, 1552, 1940, 3880, 7760, 9403, 18806, 37612, 47015, 75224, 94030, 150448, 188060, 376120, 752240, 912091, 1824182, 3648364, 4560455, 7296728, 9120910, 14593456, 18241820, 36483640, 72967280]

約数ペア:

[(1, 72967280), (2, 36483640), (4, 18241820), (5, 14593456), (8, 9120910), (10, 7296728), (16, 4560455), (20, 3648364), (40, 1824182), (80, 912091), (97, 752240), (194, 376120), (388, 188060), (485, 150448), (776, 94030), (970, 75224), (1552, 47015), (1940, 37612), (3880, 18806), (7760, 9403)]