51817400

素因数分解:

$2^3\times 5^2\times {\mathrm{97}}^1\times {\mathrm{2671}}^1$

素因数の和:2784

約数の個数: 48

約数和(自身を含む): 121763040

約数和(自身を除く): 69945640

約数列:

[1, 2, 4, 5, 8, 10, 20, 25, 40, 50, 97, 100, 194, 200, 388, 485, 776, 970, 1940, 2425, 2671, 3880, 4850, 5342, 9700, 10684, 13355, 19400, 21368, 26710, 53420, 66775, 106840, 133550, 259087, 267100, 518174, 534200, 1036348, 1295435, 2072696, 2590870, 5181740, 6477175, 10363480, 12954350, 25908700, 51817400]

約数ペア:

[(1, 51817400), (2, 25908700), (4, 12954350), (5, 10363480), (8, 6477175), (10, 5181740), (20, 2590870), (25, 2072696), (40, 1295435), (50, 1036348), (97, 534200), (100, 518174), (194, 267100), (200, 259087), (388, 133550), (485, 106840), (776, 66775), (970, 53420), (1940, 26710), (2425, 21368), (2671, 19400), (3880, 13355), (4850, 10684), (5342, 9700)]