20161766560

素因数分解:

$2^5\times 5^1\times {\mathrm{13}}^1\times {\mathrm{751}}^1\times {\mathrm{12907}}^1$

素因数の和:13686

約数の個数: 96

約数和(自身を含む): 51368470272

約数和(自身を除く): 31206703712

約数列:

[1, 2, 4, 5, 8, 10, 13, 16, 20, 26, 32, 40, 52, 65, 80, 104, 130, 160, 208, 260, 416, 520, 751, 1040, 1502, 2080, 3004, 3755, 6008, 7510, 9763, 12016, 12907, 15020, 19526, 24032, 25814, 30040, 39052, 48815, 51628, 60080, 64535, 78104, 97630, 103256, 120160, 129070, 156208, 167791, 195260, 206512, 258140, 312416, 335582, 390520, 413024, 516280, 671164, 781040, 838955, 1032560, 1342328, 1562080, 1677910, 2065120, 2684656, 3355820, 5369312, 6711640, 9693157, 13423280, 19386314, 26846560, 38772628, 48465785, 77545256, 96931570, 126011041, 155090512, 193863140, 252022082, 310181024, 387726280, 504044164, 630055205, 775452560, 1008088328, 1260110410, 1550905120, 2016176656, 2520220820, 4032353312, 5040441640, 10080883280, 20161766560]

約数ペア:

[(1, 20161766560), (2, 10080883280), (4, 5040441640), (5, 4032353312), (8, 2520220820), (10, 2016176656), (13, 1550905120), (16, 1260110410), (20, 1008088328), (26, 775452560), (32, 630055205), (40, 504044164), (52, 387726280), (65, 310181024), (80, 252022082), (104, 193863140), (130, 155090512), (160, 126011041), (208, 96931570), (260, 77545256), (416, 48465785), (520, 38772628), (751, 26846560), (1040, 19386314), (1502, 13423280), (2080, 9693157), (3004, 6711640), (3755, 5369312), (6008, 3355820), (7510, 2684656), (9763, 2065120), (12016, 1677910), (12907, 1562080), (15020, 1342328), (19526, 1032560), (24032, 838955), (25814, 781040), (30040, 671164), (39052, 516280), (48815, 413024), (51628, 390520), (60080, 335582), (64535, 312416), (78104, 258140), (97630, 206512), (103256, 195260), (120160, 167791), (129070, 156208)]