18853248800

素因数分解:

$2^5\times 5^2\times {\mathrm{3581}}^1\times {\mathrm{6581}}^1$

素因数の和:10182

約数の個数: 72

約数和(自身を含む): 46045341972

約数和(自身を除く): 27192093172

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 25, 32, 40, 50, 80, 100, 160, 200, 400, 800, 3581, 6581, 7162, 13162, 14324, 17905, 26324, 28648, 32905, 35810, 52648, 57296, 65810, 71620, 89525, 105296, 114592, 131620, 143240, 164525, 179050, 210592, 263240, 286480, 329050, 358100, 526480, 572960, 658100, 716200, 1052960, 1316200, 1432400, 2632400, 2864800, 5264800, 23566561, 47133122, 94266244, 117832805, 188532488, 235665610, 377064976, 471331220, 589164025, 754129952, 942662440, 1178328050, 1885324880, 2356656100, 3770649760, 4713312200, 9426624400, 18853248800]

約数ペア:

[(1, 18853248800), (2, 9426624400), (4, 4713312200), (5, 3770649760), (8, 2356656100), (10, 1885324880), (16, 1178328050), (20, 942662440), (25, 754129952), (32, 589164025), (40, 471331220), (50, 377064976), (80, 235665610), (100, 188532488), (160, 117832805), (200, 94266244), (400, 47133122), (800, 23566561), (3581, 5264800), (6581, 2864800), (7162, 2632400), (13162, 1432400), (14324, 1316200), (17905, 1052960), (26324, 716200), (28648, 658100), (32905, 572960), (35810, 526480), (52648, 358100), (57296, 329050), (65810, 286480), (71620, 263240), (89525, 210592), (105296, 179050), (114592, 164525), (131620, 143240)]