52802748280

素因数分解:

$2^3\times 5^1\times {\mathrm{71}}^1\times {\mathrm{277}}^1\times {\mathrm{67121}}^1$

素因数の和:67480

約数の個数: 64

約数和(自身を含む): 120916255680

約数和(自身を除く): 68113507400

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 71, 142, 277, 284, 355, 554, 568, 710, 1108, 1385, 1420, 2216, 2770, 2840, 5540, 11080, 19667, 39334, 67121, 78668, 98335, 134242, 157336, 196670, 268484, 335605, 393340, 536968, 671210, 786680, 1342420, 2684840, 4765591, 9531182, 18592517, 19062364, 23827955, 37185034, 38124728, 47655910, 74370068, 92962585, 95311820, 148740136, 185925170, 190623640, 371850340, 743700680, 1320068707, 2640137414, 5280274828, 6600343535, 10560549656, 13200687070, 26401374140, 52802748280]

約数ペア:

[(1, 52802748280), (2, 26401374140), (4, 13200687070), (5, 10560549656), (8, 6600343535), (10, 5280274828), (20, 2640137414), (40, 1320068707), (71, 743700680), (142, 371850340), (277, 190623640), (284, 185925170), (355, 148740136), (554, 95311820), (568, 92962585), (710, 74370068), (1108, 47655910), (1385, 38124728), (1420, 37185034), (2216, 23827955), (2770, 19062364), (2840, 18592517), (5540, 9531182), (11080, 4765591), (19667, 2684840), (39334, 1342420), (67121, 786680), (78668, 671210), (98335, 536968), (134242, 393340), (157336, 335605), (196670, 268484)]