39519220

素因数分解:

$2^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{8941}}^1$

素因数の和:8980

約数の個数: 48

約数和(自身を含む): 94642128

約数和(自身を除く): 55122908

約数列:

[1, 2, 4, 5, 10, 13, 17, 20, 26, 34, 52, 65, 68, 85, 130, 170, 221, 260, 340, 442, 884, 1105, 2210, 4420, 8941, 17882, 35764, 44705, 89410, 116233, 151997, 178820, 232466, 303994, 464932, 581165, 607988, 759985, 1162330, 1519970, 1975961, 2324660, 3039940, 3951922, 7903844, 9879805, 19759610, 39519220]

約数ペア:

[(1, 39519220), (2, 19759610), (4, 9879805), (5, 7903844), (10, 3951922), (13, 3039940), (17, 2324660), (20, 1975961), (26, 1519970), (34, 1162330), (52, 759985), (65, 607988), (68, 581165), (85, 464932), (130, 303994), (170, 232466), (221, 178820), (260, 151997), (340, 116233), (442, 89410), (884, 44705), (1105, 35764), (2210, 17882), (4420, 8941)]