11396980

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{127}}^1\times {\mathrm{641}}^1$

素因数の和:784

約数の個数: 48

約数和(自身を含む): 27611136

約数和(自身を除く): 16214156

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 70, 127, 140, 254, 508, 635, 641, 889, 1270, 1282, 1778, 2540, 2564, 3205, 3556, 4445, 4487, 6410, 8890, 8974, 12820, 17780, 17948, 22435, 44870, 81407, 89740, 162814, 325628, 407035, 569849, 814070, 1139698, 1628140, 2279396, 2849245, 5698490, 11396980]

約数ペア:

[(1, 11396980), (2, 5698490), (4, 2849245), (5, 2279396), (7, 1628140), (10, 1139698), (14, 814070), (20, 569849), (28, 407035), (35, 325628), (70, 162814), (127, 89740), (140, 81407), (254, 44870), (508, 22435), (635, 17948), (641, 17780), (889, 12820), (1270, 8974), (1282, 8890), (1778, 6410), (2540, 4487), (2564, 4445), (3205, 3556)]