80667860

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{127}}^1\times {\mathrm{349}}^1$

素因数の和:505

約数の個数: 96

約数和(自身を含む): 210739200

約数和(自身を除く): 130071340

約数列:

[1, 2, 4, 5, 7, 10, 13, 14, 20, 26, 28, 35, 52, 65, 70, 91, 127, 130, 140, 182, 254, 260, 349, 364, 455, 508, 635, 698, 889, 910, 1270, 1396, 1651, 1745, 1778, 1820, 2443, 2540, 3302, 3490, 3556, 4445, 4537, 4886, 6604, 6980, 8255, 8890, 9074, 9772, 11557, 12215, 16510, 17780, 18148, 22685, 23114, 24430, 31759, 33020, 44323, 45370, 46228, 48860, 57785, 63518, 88646, 90740, 115570, 127036, 158795, 177292, 221615, 231140, 310261, 317590, 443230, 576199, 620522, 635180, 886460, 1152398, 1241044, 1551305, 2304796, 2880995, 3102610, 4033393, 5761990, 6205220, 8066786, 11523980, 16133572, 20166965, 40333930, 80667860]

約数ペア:

[(1, 80667860), (2, 40333930), (4, 20166965), (5, 16133572), (7, 11523980), (10, 8066786), (13, 6205220), (14, 5761990), (20, 4033393), (26, 3102610), (28, 2880995), (35, 2304796), (52, 1551305), (65, 1241044), (70, 1152398), (91, 886460), (127, 635180), (130, 620522), (140, 576199), (182, 443230), (254, 317590), (260, 310261), (349, 231140), (364, 221615), (455, 177292), (508, 158795), (635, 127036), (698, 115570), (889, 90740), (910, 88646), (1270, 63518), (1396, 57785), (1651, 48860), (1745, 46228), (1778, 45370), (1820, 44323), (2443, 33020), (2540, 31759), (3302, 24430), (3490, 23114), (3556, 22685), (4445, 18148), (4537, 17780), (4886, 16510), (6604, 12215), (6980, 11557), (8255, 9772), (8890, 9074)]