25216100

素因数分解:

$2^2\times 5^2\times 7^1\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{163}}^1$

素因数の和:214

約数の個数: 144

約数和(自身を含む): 71745408

約数和(自身を除く): 46529308

約数列:

[1, 2, 4, 5, 7, 10, 13, 14, 17, 20, 25, 26, 28, 34, 35, 50, 52, 65, 68, 70, 85, 91, 100, 119, 130, 140, 163, 170, 175, 182, 221, 238, 260, 325, 326, 340, 350, 364, 425, 442, 455, 476, 595, 650, 652, 700, 815, 850, 884, 910, 1105, 1141, 1190, 1300, 1547, 1630, 1700, 1820, 2119, 2210, 2275, 2282, 2380, 2771, 2975, 3094, 3260, 4075, 4238, 4420, 4550, 4564, 5525, 5542, 5705, 5950, 6188, 7735, 8150, 8476, 9100, 10595, 11050, 11084, 11410, 11900, 13855, 14833, 15470, 16300, 19397, 21190, 22100, 22820, 27710, 28525, 29666, 30940, 36023, 38675, 38794, 42380, 52975, 55420, 57050, 59332, 69275, 72046, 74165, 77350, 77588, 96985, 105950, 114100, 138550, 144092, 148330, 154700, 180115, 193970, 211900, 252161, 277100, 296660, 360230, 370825, 387940, 484925, 504322, 720460, 741650, 900575, 969850, 1008644, 1260805, 1483300, 1801150, 1939700, 2521610, 3602300, 5043220, 6304025, 12608050, 25216100]

約数ペア:

[(1, 25216100), (2, 12608050), (4, 6304025), (5, 5043220), (7, 3602300), (10, 2521610), (13, 1939700), (14, 1801150), (17, 1483300), (20, 1260805), (25, 1008644), (26, 969850), (28, 900575), (34, 741650), (35, 720460), (50, 504322), (52, 484925), (65, 387940), (68, 370825), (70, 360230), (85, 296660), (91, 277100), (100, 252161), (119, 211900), (130, 193970), (140, 180115), (163, 154700), (170, 148330), (175, 144092), (182, 138550), (221, 114100), (238, 105950), (260, 96985), (325, 77588), (326, 77350), (340, 74165), (350, 72046), (364, 69275), (425, 59332), (442, 57050), (455, 55420), (476, 52975), (595, 42380), (650, 38794), (652, 38675), (700, 36023), (815, 30940), (850, 29666), (884, 28525), (910, 27710), (1105, 22820), (1141, 22100), (1190, 21190), (1300, 19397), (1547, 16300), (1630, 15470), (1700, 14833), (1820, 13855), (2119, 11900), (2210, 11410), (2275, 11084), (2282, 11050), (2380, 10595), (2771, 9100), (2975, 8476), (3094, 8150), (3260, 7735), (4075, 6188), (4238, 5950), (4420, 5705), (4550, 5542), (4564, 5525)]