26458640

素因数分解:

$2^4\times 5^1\times {\mathrm{13}}^2\times {\mathrm{19}}^1\times {\mathrm{103}}^1$

素因数の和:161

約数の個数: 120

約数和(自身を含む): 70799040

約数和(自身を除く): 44340400

約数列:

[1, 2, 4, 5, 8, 10, 13, 16, 19, 20, 26, 38, 40, 52, 65, 76, 80, 95, 103, 104, 130, 152, 169, 190, 206, 208, 247, 260, 304, 338, 380, 412, 494, 515, 520, 676, 760, 824, 845, 988, 1030, 1040, 1235, 1339, 1352, 1520, 1648, 1690, 1957, 1976, 2060, 2470, 2678, 2704, 3211, 3380, 3914, 3952, 4120, 4940, 5356, 6422, 6695, 6760, 7828, 8240, 9785, 9880, 10712, 12844, 13390, 13520, 15656, 16055, 17407, 19570, 19760, 21424, 25441, 25688, 26780, 31312, 32110, 34814, 39140, 50882, 51376, 53560, 64220, 69628, 78280, 87035, 101764, 107120, 127205, 128440, 139256, 156560, 174070, 203528, 254410, 256880, 278512, 330733, 348140, 407056, 508820, 661466, 696280, 1017640, 1322932, 1392560, 1653665, 2035280, 2645864, 3307330, 5291728, 6614660, 13229320, 26458640]

約数ペア:

[(1, 26458640), (2, 13229320), (4, 6614660), (5, 5291728), (8, 3307330), (10, 2645864), (13, 2035280), (16, 1653665), (19, 1392560), (20, 1322932), (26, 1017640), (38, 696280), (40, 661466), (52, 508820), (65, 407056), (76, 348140), (80, 330733), (95, 278512), (103, 256880), (104, 254410), (130, 203528), (152, 174070), (169, 156560), (190, 139256), (206, 128440), (208, 127205), (247, 107120), (260, 101764), (304, 87035), (338, 78280), (380, 69628), (412, 64220), (494, 53560), (515, 51376), (520, 50882), (676, 39140), (760, 34814), (824, 32110), (845, 31312), (988, 26780), (1030, 25688), (1040, 25441), (1235, 21424), (1339, 19760), (1352, 19570), (1520, 17407), (1648, 16055), (1690, 15656), (1957, 13520), (1976, 13390), (2060, 12844), (2470, 10712), (2678, 9880), (2704, 9785), (3211, 8240), (3380, 7828), (3914, 6760), (3952, 6695), (4120, 6422), (4940, 5356)]