64378965040

素因数分解:

$2^4\times 5^1\times {\mathrm{13}}^1\times {\mathrm{1429}}^1\times {\mathrm{43319}}^1$

素因数の和:44774

約数の個数: 80

約数和(自身を含む): 161311550400

約数和(自身を除く): 96932585360

約数列:

[1, 2, 4, 5, 8, 10, 13, 16, 20, 26, 40, 52, 65, 80, 104, 130, 208, 260, 520, 1040, 1429, 2858, 5716, 7145, 11432, 14290, 18577, 22864, 28580, 37154, 43319, 57160, 74308, 86638, 92885, 114320, 148616, 173276, 185770, 216595, 297232, 346552, 371540, 433190, 563147, 693104, 743080, 866380, 1126294, 1486160, 1732760, 2252588, 2815735, 3465520, 4505176, 5631470, 9010352, 11262940, 22525880, 45051760, 61902851, 123805702, 247611404, 309514255, 495222808, 619028510, 804737063, 990445616, 1238057020, 1609474126, 2476114040, 3218948252, 4023685315, 4952228080, 6437896504, 8047370630, 12875793008, 16094741260, 32189482520, 64378965040]

約数ペア:

[(1, 64378965040), (2, 32189482520), (4, 16094741260), (5, 12875793008), (8, 8047370630), (10, 6437896504), (13, 4952228080), (16, 4023685315), (20, 3218948252), (26, 2476114040), (40, 1609474126), (52, 1238057020), (65, 990445616), (80, 804737063), (104, 619028510), (130, 495222808), (208, 309514255), (260, 247611404), (520, 123805702), (1040, 61902851), (1429, 45051760), (2858, 22525880), (5716, 11262940), (7145, 9010352), (11432, 5631470), (14290, 4505176), (18577, 3465520), (22864, 2815735), (28580, 2252588), (37154, 1732760), (43319, 1486160), (57160, 1126294), (74308, 866380), (86638, 743080), (92885, 693104), (114320, 563147), (148616, 433190), (173276, 371540), (185770, 346552), (216595, 297232)]