72676280

素因数分解:

$2^3\times 5^1\times {\mathrm{97}}^1\times {\mathrm{18731}}^1$

素因数の和:18839

約数の個数: 32

約数和(自身を含む): 165216240

約数和(自身を除く): 92539960

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 97, 194, 388, 485, 776, 970, 1940, 3880, 18731, 37462, 74924, 93655, 149848, 187310, 374620, 749240, 1816907, 3633814, 7267628, 9084535, 14535256, 18169070, 36338140, 72676280]

約数ペア:

[(1, 72676280), (2, 36338140), (4, 18169070), (5, 14535256), (8, 9084535), (10, 7267628), (20, 3633814), (40, 1816907), (97, 749240), (194, 374620), (388, 187310), (485, 149848), (776, 93655), (970, 74924), (1940, 37462), (3880, 18731)]