72499880

素因数分解:

$2^3\times 5^1\times {\mathrm{79}}^1\times {\mathrm{22943}}^1$

素因数の和:23033

約数の個数: 32

約数和(自身を含む): 165196800

約数和(自身を除く): 92696920

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 79, 158, 316, 395, 632, 790, 1580, 3160, 22943, 45886, 91772, 114715, 183544, 229430, 458860, 917720, 1812497, 3624994, 7249988, 9062485, 14499976, 18124970, 36249940, 72499880]

約数ペア:

[(1, 72499880), (2, 36249940), (4, 18124970), (5, 14499976), (8, 9062485), (10, 7249988), (20, 3624994), (40, 1812497), (79, 917720), (158, 458860), (316, 229430), (395, 183544), (632, 114715), (790, 91772), (1580, 45886), (3160, 22943)]