40315205

素因数分解:

$5^1\times 7^1\times {\mathrm{23}}^1\times {\mathrm{61}}^1\times {\mathrm{821}}^1$

素因数の和:917

約数の個数: 32

約数和(自身を含む): 58710528

約数和(自身を除く): 18395323

約数列:

[1, 5, 7, 23, 35, 61, 115, 161, 305, 427, 805, 821, 1403, 2135, 4105, 5747, 7015, 9821, 18883, 28735, 49105, 50081, 94415, 132181, 250405, 350567, 660905, 1151863, 1752835, 5759315, 8063041, 40315205]

約数ペア:

[(1, 40315205), (5, 8063041), (7, 5759315), (23, 1752835), (35, 1151863), (61, 660905), (115, 350567), (161, 250405), (305, 132181), (427, 94415), (805, 50081), (821, 49105), (1403, 28735), (2135, 18883), (4105, 9821), (5747, 7015)]