65090920

素因数分解:

$2^3\times 5^1\times {\mathrm{23}}^1\times {\mathrm{139}}^1\times {\mathrm{509}}^1$

素因数の和:682

約数の個数: 64

約数和(自身を含む): 154224000

約数和(自身を除く): 89133080

約数列:

[1, 2, 4, 5, 8, 10, 20, 23, 40, 46, 92, 115, 139, 184, 230, 278, 460, 509, 556, 695, 920, 1018, 1112, 1390, 2036, 2545, 2780, 3197, 4072, 5090, 5560, 6394, 10180, 11707, 12788, 15985, 20360, 23414, 25576, 31970, 46828, 58535, 63940, 70751, 93656, 117070, 127880, 141502, 234140, 283004, 353755, 468280, 566008, 707510, 1415020, 1627273, 2830040, 3254546, 6509092, 8136365, 13018184, 16272730, 32545460, 65090920]

約数ペア:

[(1, 65090920), (2, 32545460), (4, 16272730), (5, 13018184), (8, 8136365), (10, 6509092), (20, 3254546), (23, 2830040), (40, 1627273), (46, 1415020), (92, 707510), (115, 566008), (139, 468280), (184, 353755), (230, 283004), (278, 234140), (460, 141502), (509, 127880), (556, 117070), (695, 93656), (920, 70751), (1018, 63940), (1112, 58535), (1390, 46828), (2036, 31970), (2545, 25576), (2780, 23414), (3197, 20360), (4072, 15985), (5090, 12788), (5560, 11707), (6394, 10180)]