205129532140

素因数分解:

$2^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{71}}^1\times {\mathrm{11112109}}^1$

素因数の和:11112202

約数の個数: 48

約数和(自身を含む): 470442288960

約数和(自身を除く): 265312756820

約数列:

[1, 2, 4, 5, 10, 13, 20, 26, 52, 65, 71, 130, 142, 260, 284, 355, 710, 923, 1420, 1846, 3692, 4615, 9230, 18460, 11112109, 22224218, 44448436, 55560545, 111121090, 144457417, 222242180, 288914834, 577829668, 722287085, 788959739, 1444574170, 1577919478, 2889148340, 3155838956, 3944798695, 7889597390, 10256476607, 15779194780, 20512953214, 41025906428, 51282383035, 102564766070, 205129532140]

約数ペア:

[(1, 205129532140), (2, 102564766070), (4, 51282383035), (5, 41025906428), (10, 20512953214), (13, 15779194780), (20, 10256476607), (26, 7889597390), (52, 3944798695), (65, 3155838956), (71, 2889148340), (130, 1577919478), (142, 1444574170), (260, 788959739), (284, 722287085), (355, 577829668), (710, 288914834), (923, 222242180), (1420, 144457417), (1846, 111121090), (3692, 55560545), (4615, 44448436), (9230, 22224218), (18460, 11112109)]