1645291220

素因数分解:

$2^2\times 5^1\times {\mathrm{29}}^1\times {\mathrm{709}}^1\times {\mathrm{4001}}^1$

素因数の和:4748

約数の個数: 48

約数和(自身を含む): 3580189200

約数和(自身を除く): 1934897980

約数列:

[1, 2, 4, 5, 10, 20, 29, 58, 116, 145, 290, 580, 709, 1418, 2836, 3545, 4001, 7090, 8002, 14180, 16004, 20005, 20561, 40010, 41122, 80020, 82244, 102805, 116029, 205610, 232058, 411220, 464116, 580145, 1160290, 2320580, 2836709, 5673418, 11346836, 14183545, 28367090, 56734180, 82264561, 164529122, 329058244, 411322805, 822645610, 1645291220]

約数ペア:

[(1, 1645291220), (2, 822645610), (4, 411322805), (5, 329058244), (10, 164529122), (20, 82264561), (29, 56734180), (58, 28367090), (116, 14183545), (145, 11346836), (290, 5673418), (580, 2836709), (709, 2320580), (1418, 1160290), (2836, 580145), (3545, 464116), (4001, 411220), (7090, 232058), (8002, 205610), (14180, 116029), (16004, 102805), (20005, 82244), (20561, 80020), (40010, 41122)]