64341680

素因数分解:

$2^4\times 5^1\times {\mathrm{13}}^2\times {\mathrm{4759}}^1$

素因数の和:4798

約数の個数: 60

約数和(自身を含む): 162020880

約数和(自身を除く): 97679200

約数列:

[1, 2, 4, 5, 8, 10, 13, 16, 20, 26, 40, 52, 65, 80, 104, 130, 169, 208, 260, 338, 520, 676, 845, 1040, 1352, 1690, 2704, 3380, 4759, 6760, 9518, 13520, 19036, 23795, 38072, 47590, 61867, 76144, 95180, 123734, 190360, 247468, 309335, 380720, 494936, 618670, 804271, 989872, 1237340, 1608542, 2474680, 3217084, 4021355, 4949360, 6434168, 8042710, 12868336, 16085420, 32170840, 64341680]

約数ペア:

[(1, 64341680), (2, 32170840), (4, 16085420), (5, 12868336), (8, 8042710), (10, 6434168), (13, 4949360), (16, 4021355), (20, 3217084), (26, 2474680), (40, 1608542), (52, 1237340), (65, 989872), (80, 804271), (104, 618670), (130, 494936), (169, 380720), (208, 309335), (260, 247468), (338, 190360), (520, 123734), (676, 95180), (845, 76144), (1040, 61867), (1352, 47590), (1690, 38072), (2704, 23795), (3380, 19036), (4759, 13520), (6760, 9518)]