816577040

素因数分解:

$2^4\times 5^1\times {\mathrm{97}}^1\times {\mathrm{105229}}^1$

素因数の和:105339

約数の個数: 40

約数和(自身を含む): 1918132440

約数和(自身を除く): 1101555400

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 97, 194, 388, 485, 776, 970, 1552, 1940, 3880, 7760, 105229, 210458, 420916, 526145, 841832, 1052290, 1683664, 2104580, 4209160, 8418320, 10207213, 20414426, 40828852, 51036065, 81657704, 102072130, 163315408, 204144260, 408288520, 816577040]

約数ペア:

[(1, 816577040), (2, 408288520), (4, 204144260), (5, 163315408), (8, 102072130), (10, 81657704), (16, 51036065), (20, 40828852), (40, 20414426), (80, 10207213), (97, 8418320), (194, 4209160), (388, 2104580), (485, 1683664), (776, 1052290), (970, 841832), (1552, 526145), (1940, 420916), (3880, 210458), (7760, 105229)]