29911720

素因数分解:

$2^3\times 5^1\times {\mathrm{491}}^1\times {\mathrm{1523}}^1$

素因数の和:2025

約数の個数: 32

約数和(自身を含む): 67482720

約数和(自身を除く): 37571000

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 491, 982, 1523, 1964, 2455, 3046, 3928, 4910, 6092, 7615, 9820, 12184, 15230, 19640, 30460, 60920, 747793, 1495586, 2991172, 3738965, 5982344, 7477930, 14955860, 29911720]

約数ペア:

[(1, 29911720), (2, 14955860), (4, 7477930), (5, 5982344), (8, 3738965), (10, 2991172), (20, 1495586), (40, 747793), (491, 60920), (982, 30460), (1523, 19640), (1964, 15230), (2455, 12184), (3046, 9820), (3928, 7615), (4910, 6092)]