20171005760

素因数分解:

$2^6\times 5^1\times {\mathrm{191}}^1\times {\mathrm{401}}^1\times {\mathrm{823}}^1$

素因数の和:1432

約数の個数: 112

約数和(自身を含む): 48462907392

約数和(自身を除く): 28291901632

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 64, 80, 160, 191, 320, 382, 401, 764, 802, 823, 955, 1528, 1604, 1646, 1910, 2005, 3056, 3208, 3292, 3820, 4010, 4115, 6112, 6416, 6584, 7640, 8020, 8230, 12224, 12832, 13168, 15280, 16040, 16460, 25664, 26336, 30560, 32080, 32920, 52672, 61120, 64160, 65840, 76591, 128320, 131680, 153182, 157193, 263360, 306364, 314386, 330023, 382955, 612728, 628772, 660046, 765910, 785965, 1225456, 1257544, 1320092, 1531820, 1571930, 1650115, 2450912, 2515088, 2640184, 3063640, 3143860, 3300230, 4901824, 5030176, 5280368, 6127280, 6287720, 6600460, 10060352, 10560736, 12254560, 12575440, 13200920, 21121472, 24509120, 25150880, 26401840, 50301760, 52803680, 63034393, 105607360, 126068786, 252137572, 315171965, 504275144, 630343930, 1008550288, 1260687860, 2017100576, 2521375720, 4034201152, 5042751440, 10085502880, 20171005760]

約数ペア:

[(1, 20171005760), (2, 10085502880), (4, 5042751440), (5, 4034201152), (8, 2521375720), (10, 2017100576), (16, 1260687860), (20, 1008550288), (32, 630343930), (40, 504275144), (64, 315171965), (80, 252137572), (160, 126068786), (191, 105607360), (320, 63034393), (382, 52803680), (401, 50301760), (764, 26401840), (802, 25150880), (823, 24509120), (955, 21121472), (1528, 13200920), (1604, 12575440), (1646, 12254560), (1910, 10560736), (2005, 10060352), (3056, 6600460), (3208, 6287720), (3292, 6127280), (3820, 5280368), (4010, 5030176), (4115, 4901824), (6112, 3300230), (6416, 3143860), (6584, 3063640), (7640, 2640184), (8020, 2515088), (8230, 2450912), (12224, 1650115), (12832, 1571930), (13168, 1531820), (15280, 1320092), (16040, 1257544), (16460, 1225456), (25664, 785965), (26336, 765910), (30560, 660046), (32080, 628772), (32920, 612728), (52672, 382955), (61120, 330023), (64160, 314386), (65840, 306364), (76591, 263360), (128320, 157193), (131680, 153182)]