2642803760

素因数分解:

$2^4\times 5^1\times {\mathrm{163}}^1\times {\mathrm{389}}^1\times {\mathrm{521}}^1$

素因数の和:1086

約数の個数: 80

約数和(自身を含む): 6210004320

約数和(自身を除く): 3567200560

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 163, 326, 389, 521, 652, 778, 815, 1042, 1304, 1556, 1630, 1945, 2084, 2605, 2608, 3112, 3260, 3890, 4168, 5210, 6224, 6520, 7780, 8336, 10420, 13040, 15560, 20840, 31120, 41680, 63407, 84923, 126814, 169846, 202669, 253628, 317035, 339692, 405338, 424615, 507256, 634070, 679384, 810676, 849230, 1013345, 1014512, 1268140, 1358768, 1621352, 1698460, 2026690, 2536280, 3242704, 3396920, 4053380, 5072560, 6793840, 8106760, 16213520, 33035047, 66070094, 132140188, 165175235, 264280376, 330350470, 528560752, 660700940, 1321401880, 2642803760]

約数ペア:

[(1, 2642803760), (2, 1321401880), (4, 660700940), (5, 528560752), (8, 330350470), (10, 264280376), (16, 165175235), (20, 132140188), (40, 66070094), (80, 33035047), (163, 16213520), (326, 8106760), (389, 6793840), (521, 5072560), (652, 4053380), (778, 3396920), (815, 3242704), (1042, 2536280), (1304, 2026690), (1556, 1698460), (1630, 1621352), (1945, 1358768), (2084, 1268140), (2605, 1014512), (2608, 1013345), (3112, 849230), (3260, 810676), (3890, 679384), (4168, 634070), (5210, 507256), (6224, 424615), (6520, 405338), (7780, 339692), (8336, 317035), (10420, 253628), (13040, 202669), (15560, 169846), (20840, 126814), (31120, 84923), (41680, 63407)]