42054860

素因数分解:

$2^2\times 5^1\times {\mathrm{43}}^1\times {\mathrm{79}}^1\times {\mathrm{619}}^1$

素因数の和:750

約数の個数: 48

約数和(自身を含む): 91660800

約数和(自身を除く): 49605940

約数列:

[1, 2, 4, 5, 10, 20, 43, 79, 86, 158, 172, 215, 316, 395, 430, 619, 790, 860, 1238, 1580, 2476, 3095, 3397, 6190, 6794, 12380, 13588, 16985, 26617, 33970, 48901, 53234, 67940, 97802, 106468, 133085, 195604, 244505, 266170, 489010, 532340, 978020, 2102743, 4205486, 8410972, 10513715, 21027430, 42054860]

約数ペア:

[(1, 42054860), (2, 21027430), (4, 10513715), (5, 8410972), (10, 4205486), (20, 2102743), (43, 978020), (79, 532340), (86, 489010), (158, 266170), (172, 244505), (215, 195604), (316, 133085), (395, 106468), (430, 97802), (619, 67940), (790, 53234), (860, 48901), (1238, 33970), (1580, 26617), (2476, 16985), (3095, 13588), (3397, 12380), (6190, 6794)]