25917320

素因数分解:

$2^3\times 5^1\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{23}}^1\times {\mathrm{197}}^1$

素因数の和:255

約数の個数: 128

約数和(自身を含む): 71850240

約数和(自身を除く): 45932920

約数列:

[1, 2, 4, 5, 8, 10, 11, 13, 20, 22, 23, 26, 40, 44, 46, 52, 55, 65, 88, 92, 104, 110, 115, 130, 143, 184, 197, 220, 230, 253, 260, 286, 299, 394, 440, 460, 506, 520, 572, 598, 715, 788, 920, 985, 1012, 1144, 1196, 1265, 1430, 1495, 1576, 1970, 2024, 2167, 2392, 2530, 2561, 2860, 2990, 3289, 3940, 4334, 4531, 5060, 5122, 5720, 5980, 6578, 7880, 8668, 9062, 10120, 10244, 10835, 11960, 12805, 13156, 16445, 17336, 18124, 20488, 21670, 22655, 25610, 26312, 28171, 32890, 36248, 43340, 45310, 49841, 51220, 56342, 58903, 65780, 86680, 90620, 99682, 102440, 112684, 117806, 131560, 140855, 181240, 199364, 225368, 235612, 249205, 281710, 294515, 398728, 471224, 498410, 563420, 589030, 647933, 996820, 1126840, 1178060, 1295866, 1993640, 2356120, 2591732, 3239665, 5183464, 6479330, 12958660, 25917320]

約数ペア:

[(1, 25917320), (2, 12958660), (4, 6479330), (5, 5183464), (8, 3239665), (10, 2591732), (11, 2356120), (13, 1993640), (20, 1295866), (22, 1178060), (23, 1126840), (26, 996820), (40, 647933), (44, 589030), (46, 563420), (52, 498410), (55, 471224), (65, 398728), (88, 294515), (92, 281710), (104, 249205), (110, 235612), (115, 225368), (130, 199364), (143, 181240), (184, 140855), (197, 131560), (220, 117806), (230, 112684), (253, 102440), (260, 99682), (286, 90620), (299, 86680), (394, 65780), (440, 58903), (460, 56342), (506, 51220), (520, 49841), (572, 45310), (598, 43340), (715, 36248), (788, 32890), (920, 28171), (985, 26312), (1012, 25610), (1144, 22655), (1196, 21670), (1265, 20488), (1430, 18124), (1495, 17336), (1576, 16445), (1970, 13156), (2024, 12805), (2167, 11960), (2392, 10835), (2530, 10244), (2561, 10120), (2860, 9062), (2990, 8668), (3289, 7880), (3940, 6578), (4334, 5980), (4531, 5720), (5060, 5122)]