30439760

素因数分解:

$2^4\times 5^1\times {\mathrm{13}}^1\times {\mathrm{29269}}^1$

素因数の和:29295

約数の個数: 40

約数和(自身を含む): 76219080

約数和(自身を除く): 45779320

約数列:

[1, 2, 4, 5, 8, 10, 13, 16, 20, 26, 40, 52, 65, 80, 104, 130, 208, 260, 520, 1040, 29269, 58538, 117076, 146345, 234152, 292690, 380497, 468304, 585380, 760994, 1170760, 1521988, 1902485, 2341520, 3043976, 3804970, 6087952, 7609940, 15219880, 30439760]

約数ペア:

[(1, 30439760), (2, 15219880), (4, 7609940), (5, 6087952), (8, 3804970), (10, 3043976), (13, 2341520), (16, 1902485), (20, 1521988), (26, 1170760), (40, 760994), (52, 585380), (65, 468304), (80, 380497), (104, 292690), (130, 234152), (208, 146345), (260, 117076), (520, 58538), (1040, 29269)]