67729220

素因数分解:

$2^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{331}}^1\times {\mathrm{787}}^1$

素因数の和:1140

約数の個数: 48

約数和(自身を含む): 153830208

約数和(自身を除く): 86100988

約数列:

[1, 2, 4, 5, 10, 13, 20, 26, 52, 65, 130, 260, 331, 662, 787, 1324, 1574, 1655, 3148, 3310, 3935, 4303, 6620, 7870, 8606, 10231, 15740, 17212, 20462, 21515, 40924, 43030, 51155, 86060, 102310, 204620, 260497, 520994, 1041988, 1302485, 2604970, 3386461, 5209940, 6772922, 13545844, 16932305, 33864610, 67729220]

約数ペア:

[(1, 67729220), (2, 33864610), (4, 16932305), (5, 13545844), (10, 6772922), (13, 5209940), (20, 3386461), (26, 2604970), (52, 1302485), (65, 1041988), (130, 520994), (260, 260497), (331, 204620), (662, 102310), (787, 86060), (1324, 51155), (1574, 43030), (1655, 40924), (3148, 21515), (3310, 20462), (3935, 17212), (4303, 15740), (6620, 10231), (7870, 8606)]