25814040

素因数分解:

$2^3\times 3^1\times 5^1\times 7^1\times {\mathrm{79}}^1\times {\mathrm{389}}^1$

素因数の和:489

約数の個数: 128

約数和(自身を含む): 89856000

約数和(自身を除く): 64041960

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 10, 12, 14, 15, 20, 21, 24, 28, 30, 35, 40, 42, 56, 60, 70, 79, 84, 105, 120, 140, 158, 168, 210, 237, 280, 316, 389, 395, 420, 474, 553, 632, 778, 790, 840, 948, 1106, 1167, 1185, 1556, 1580, 1659, 1896, 1945, 2212, 2334, 2370, 2723, 2765, 3112, 3160, 3318, 3890, 4424, 4668, 4740, 5446, 5530, 5835, 6636, 7780, 8169, 8295, 9336, 9480, 10892, 11060, 11670, 13272, 13615, 15560, 16338, 16590, 21784, 22120, 23340, 27230, 30731, 32676, 33180, 40845, 46680, 54460, 61462, 65352, 66360, 81690, 92193, 108920, 122924, 153655, 163380, 184386, 215117, 245848, 307310, 326760, 368772, 430234, 460965, 614620, 645351, 737544, 860468, 921930, 1075585, 1229240, 1290702, 1720936, 1843860, 2151170, 2581404, 3226755, 3687720, 4302340, 5162808, 6453510, 8604680, 12907020, 25814040]

約数ペア:

[(1, 25814040), (2, 12907020), (3, 8604680), (4, 6453510), (5, 5162808), (6, 4302340), (7, 3687720), (8, 3226755), (10, 2581404), (12, 2151170), (14, 1843860), (15, 1720936), (20, 1290702), (21, 1229240), (24, 1075585), (28, 921930), (30, 860468), (35, 737544), (40, 645351), (42, 614620), (56, 460965), (60, 430234), (70, 368772), (79, 326760), (84, 307310), (105, 245848), (120, 215117), (140, 184386), (158, 163380), (168, 153655), (210, 122924), (237, 108920), (280, 92193), (316, 81690), (389, 66360), (395, 65352), (420, 61462), (474, 54460), (553, 46680), (632, 40845), (778, 33180), (790, 32676), (840, 30731), (948, 27230), (1106, 23340), (1167, 22120), (1185, 21784), (1556, 16590), (1580, 16338), (1659, 15560), (1896, 13615), (1945, 13272), (2212, 11670), (2334, 11060), (2370, 10892), (2723, 9480), (2765, 9336), (3112, 8295), (3160, 8169), (3318, 7780), (3890, 6636), (4424, 5835), (4668, 5530), (4740, 5446)]