64131080

素因数分解:

$2^3\times 5^1\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{6491}}^1$

素因数の和:6534

約数の個数: 64

約数和(自身を含む): 163598400

約数和(自身を除く): 99467320

約数列:

[1, 2, 4, 5, 8, 10, 13, 19, 20, 26, 38, 40, 52, 65, 76, 95, 104, 130, 152, 190, 247, 260, 380, 494, 520, 760, 988, 1235, 1976, 2470, 4940, 6491, 9880, 12982, 25964, 32455, 51928, 64910, 84383, 123329, 129820, 168766, 246658, 259640, 337532, 421915, 493316, 616645, 675064, 843830, 986632, 1233290, 1603277, 1687660, 2466580, 3206554, 3375320, 4933160, 6413108, 8016385, 12826216, 16032770, 32065540, 64131080]

約数ペア:

[(1, 64131080), (2, 32065540), (4, 16032770), (5, 12826216), (8, 8016385), (10, 6413108), (13, 4933160), (19, 3375320), (20, 3206554), (26, 2466580), (38, 1687660), (40, 1603277), (52, 1233290), (65, 986632), (76, 843830), (95, 675064), (104, 616645), (130, 493316), (152, 421915), (190, 337532), (247, 259640), (260, 246658), (380, 168766), (494, 129820), (520, 123329), (760, 84383), (988, 64910), (1235, 51928), (1976, 32455), (2470, 25964), (4940, 12982), (6491, 9880)]