1320238750

素因数分解:

$2^1\times 5^4\times {\mathrm{19}}^1\times {\mathrm{55589}}^1$

素因数の和:55630

約数の個数: 40

約数和(自身を含む): 2604947400

約数和(自身を除く): 1284708650

約数列:

[1, 2, 5, 10, 19, 25, 38, 50, 95, 125, 190, 250, 475, 625, 950, 1250, 2375, 4750, 11875, 23750, 55589, 111178, 277945, 555890, 1056191, 1389725, 2112382, 2779450, 5280955, 6948625, 10561910, 13897250, 26404775, 34743125, 52809550, 69486250, 132023875, 264047750, 660119375, 1320238750]

約数ペア:

[(1, 1320238750), (2, 660119375), (5, 264047750), (10, 132023875), (19, 69486250), (25, 52809550), (38, 34743125), (50, 26404775), (95, 13897250), (125, 10561910), (190, 6948625), (250, 5280955), (475, 2779450), (625, 2112382), (950, 1389725), (1250, 1056191), (2375, 555890), (4750, 277945), (11875, 111178), (23750, 55589)]