81793400

素因数分解:

$2^3\times 5^2\times {\mathrm{13}}^1\times {\mathrm{163}}^1\times {\mathrm{193}}^1$

素因数の和:385

約数の個数: 96

約数和(自身を含む): 207122160

約数和(自身を除く): 125328760

約数列:

[1, 2, 4, 5, 8, 10, 13, 20, 25, 26, 40, 50, 52, 65, 100, 104, 130, 163, 193, 200, 260, 325, 326, 386, 520, 650, 652, 772, 815, 965, 1300, 1304, 1544, 1630, 1930, 2119, 2509, 2600, 3260, 3860, 4075, 4238, 4825, 5018, 6520, 7720, 8150, 8476, 9650, 10036, 10595, 12545, 16300, 16952, 19300, 20072, 21190, 25090, 31459, 32600, 38600, 42380, 50180, 52975, 62725, 62918, 84760, 100360, 105950, 125450, 125836, 157295, 211900, 250900, 251672, 314590, 408967, 423800, 501800, 629180, 786475, 817934, 1258360, 1572950, 1635868, 2044835, 3145900, 3271736, 4089670, 6291800, 8179340, 10224175, 16358680, 20448350, 40896700, 81793400]

約数ペア:

[(1, 81793400), (2, 40896700), (4, 20448350), (5, 16358680), (8, 10224175), (10, 8179340), (13, 6291800), (20, 4089670), (25, 3271736), (26, 3145900), (40, 2044835), (50, 1635868), (52, 1572950), (65, 1258360), (100, 817934), (104, 786475), (130, 629180), (163, 501800), (193, 423800), (200, 408967), (260, 314590), (325, 251672), (326, 250900), (386, 211900), (520, 157295), (650, 125836), (652, 125450), (772, 105950), (815, 100360), (965, 84760), (1300, 62918), (1304, 62725), (1544, 52975), (1630, 50180), (1930, 42380), (2119, 38600), (2509, 32600), (2600, 31459), (3260, 25090), (3860, 21190), (4075, 20072), (4238, 19300), (4825, 16952), (5018, 16300), (6520, 12545), (7720, 10595), (8150, 10036), (8476, 9650)]