1987555550

素因数分解:

$2^1\times 5^2\times {\mathrm{191}}^1\times {\mathrm{208121}}^1$

素因数の和:208324

約数の個数: 24

約数和(自身を含む): 3716226432

約数和(自身を除く): 1728670882

約数列:

[1, 2, 5, 10, 25, 50, 191, 382, 955, 1910, 4775, 9550, 208121, 416242, 1040605, 2081210, 5203025, 10406050, 39751111, 79502222, 198755555, 397511110, 993777775, 1987555550]

約数ペア:

[(1, 1987555550), (2, 993777775), (5, 397511110), (10, 198755555), (25, 79502222), (50, 39751111), (191, 10406050), (382, 5203025), (955, 2081210), (1910, 1040605), (4775, 416242), (9550, 208121)]