73840280

素因数分解:

$2^3\times 5^1\times {\mathrm{97}}^1\times {\mathrm{19031}}^1$

素因数の和:19139

約数の個数: 32

約数和(自身を含む): 167862240

約数和(自身を除く): 94021960

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 97, 194, 388, 485, 776, 970, 1940, 3880, 19031, 38062, 76124, 95155, 152248, 190310, 380620, 761240, 1846007, 3692014, 7384028, 9230035, 14768056, 18460070, 36920140, 73840280]

約数ペア:

[(1, 73840280), (2, 36920140), (4, 18460070), (5, 14768056), (8, 9230035), (10, 7384028), (20, 3692014), (40, 1846007), (97, 761240), (194, 380620), (388, 190310), (485, 152248), (776, 95155), (970, 76124), (1940, 38062), (3880, 19031)]