80948140

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{79}}^1\times {\mathrm{563}}^1$

素因数の和:671

約数の個数: 96

約数和(自身を含む): 212244480

約数和(自身を除く): 131296340

約数列:

[1, 2, 4, 5, 7, 10, 13, 14, 20, 26, 28, 35, 52, 65, 70, 79, 91, 130, 140, 158, 182, 260, 316, 364, 395, 455, 553, 563, 790, 910, 1027, 1106, 1126, 1580, 1820, 2054, 2212, 2252, 2765, 2815, 3941, 4108, 5135, 5530, 5630, 7189, 7319, 7882, 10270, 11060, 11260, 14378, 14638, 15764, 19705, 20540, 28756, 29276, 35945, 36595, 39410, 44477, 51233, 71890, 73190, 78820, 88954, 102466, 143780, 146380, 177908, 204932, 222385, 256165, 311339, 444770, 512330, 578201, 622678, 889540, 1024660, 1156402, 1245356, 1556695, 2312804, 2891005, 3113390, 4047407, 5782010, 6226780, 8094814, 11564020, 16189628, 20237035, 40474070, 80948140]

約数ペア:

[(1, 80948140), (2, 40474070), (4, 20237035), (5, 16189628), (7, 11564020), (10, 8094814), (13, 6226780), (14, 5782010), (20, 4047407), (26, 3113390), (28, 2891005), (35, 2312804), (52, 1556695), (65, 1245356), (70, 1156402), (79, 1024660), (91, 889540), (130, 622678), (140, 578201), (158, 512330), (182, 444770), (260, 311339), (316, 256165), (364, 222385), (395, 204932), (455, 177908), (553, 146380), (563, 143780), (790, 102466), (910, 88954), (1027, 78820), (1106, 73190), (1126, 71890), (1580, 51233), (1820, 44477), (2054, 39410), (2212, 36595), (2252, 35945), (2765, 29276), (2815, 28756), (3941, 20540), (4108, 19705), (5135, 15764), (5530, 14638), (5630, 14378), (7189, 11260), (7319, 11060), (7882, 10270)]