205492040

素因数分解:

$2^3\times 5^1\times {\mathrm{13}}^1\times {\mathrm{139}}^1\times {\mathrm{2843}}^1$

素因数の和:3006

約数の個数: 64

約数和(自身を含む): 501681600

約数和(自身を除く): 296189560

約数列:

[1, 2, 4, 5, 8, 10, 13, 20, 26, 40, 52, 65, 104, 130, 139, 260, 278, 520, 556, 695, 1112, 1390, 1807, 2780, 2843, 3614, 5560, 5686, 7228, 9035, 11372, 14215, 14456, 18070, 22744, 28430, 36140, 36959, 56860, 72280, 73918, 113720, 147836, 184795, 295672, 369590, 395177, 739180, 790354, 1478360, 1580708, 1975885, 3161416, 3951770, 5137301, 7903540, 10274602, 15807080, 20549204, 25686505, 41098408, 51373010, 102746020, 205492040]

約数ペア:

[(1, 205492040), (2, 102746020), (4, 51373010), (5, 41098408), (8, 25686505), (10, 20549204), (13, 15807080), (20, 10274602), (26, 7903540), (40, 5137301), (52, 3951770), (65, 3161416), (104, 1975885), (130, 1580708), (139, 1478360), (260, 790354), (278, 739180), (520, 395177), (556, 369590), (695, 295672), (1112, 184795), (1390, 147836), (1807, 113720), (2780, 73918), (2843, 72280), (3614, 56860), (5560, 36959), (5686, 36140), (7228, 28430), (9035, 22744), (11372, 18070), (14215, 14456)]