1248246640

素因数分解:

$2^4\times 5^1\times {\mathrm{41}}^1\times {\mathrm{380563}}^1$

素因数の和:380617

約数の個数: 40

約数和(自身を含む): 2972965968

約数和(自身を除く): 1724719328

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 41, 80, 82, 164, 205, 328, 410, 656, 820, 1640, 3280, 380563, 761126, 1522252, 1902815, 3044504, 3805630, 6089008, 7611260, 15222520, 15603083, 30445040, 31206166, 62412332, 78015415, 124824664, 156030830, 249649328, 312061660, 624123320, 1248246640]

約数ペア:

[(1, 1248246640), (2, 624123320), (4, 312061660), (5, 249649328), (8, 156030830), (10, 124824664), (16, 78015415), (20, 62412332), (40, 31206166), (41, 30445040), (80, 15603083), (82, 15222520), (164, 7611260), (205, 6089008), (328, 3805630), (410, 3044504), (656, 1902815), (820, 1522252), (1640, 761126), (3280, 380563)]