10212020

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{31}}^1\times {\mathrm{181}}^1$

素因数の和:241

約数の個数: 96

約数和(自身を含む): 27396096

約数和(自身を除く): 17184076

約数列:

[1, 2, 4, 5, 7, 10, 13, 14, 20, 26, 28, 31, 35, 52, 62, 65, 70, 91, 124, 130, 140, 155, 181, 182, 217, 260, 310, 362, 364, 403, 434, 455, 620, 724, 806, 868, 905, 910, 1085, 1267, 1612, 1810, 1820, 2015, 2170, 2353, 2534, 2821, 3620, 4030, 4340, 4706, 5068, 5611, 5642, 6335, 8060, 9412, 11222, 11284, 11765, 12670, 14105, 16471, 22444, 23530, 25340, 28055, 28210, 32942, 39277, 47060, 56110, 56420, 65884, 72943, 78554, 82355, 112220, 145886, 157108, 164710, 196385, 291772, 329420, 364715, 392770, 510601, 729430, 785540, 1021202, 1458860, 2042404, 2553005, 5106010, 10212020]

約数ペア:

[(1, 10212020), (2, 5106010), (4, 2553005), (5, 2042404), (7, 1458860), (10, 1021202), (13, 785540), (14, 729430), (20, 510601), (26, 392770), (28, 364715), (31, 329420), (35, 291772), (52, 196385), (62, 164710), (65, 157108), (70, 145886), (91, 112220), (124, 82355), (130, 78554), (140, 72943), (155, 65884), (181, 56420), (182, 56110), (217, 47060), (260, 39277), (310, 32942), (362, 28210), (364, 28055), (403, 25340), (434, 23530), (455, 22444), (620, 16471), (724, 14105), (806, 12670), (868, 11765), (905, 11284), (910, 11222), (1085, 9412), (1267, 8060), (1612, 6335), (1810, 5642), (1820, 5611), (2015, 5068), (2170, 4706), (2353, 4340), (2534, 4030), (2821, 3620)]