52000020

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{31}}^1\times {\mathrm{9319}}^1$

素因数の和:9365

約数の個数: 72

約数和(自身を含む): 162839040

約数和(自身を除く): 110839020

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 30, 31, 36, 45, 60, 62, 90, 93, 124, 155, 180, 186, 279, 310, 372, 465, 558, 620, 930, 1116, 1395, 1860, 2790, 5580, 9319, 18638, 27957, 37276, 46595, 55914, 83871, 93190, 111828, 139785, 167742, 186380, 279570, 288889, 335484, 419355, 559140, 577778, 838710, 866667, 1155556, 1444445, 1677420, 1733334, 2600001, 2888890, 3466668, 4333335, 5200002, 5777780, 8666670, 10400004, 13000005, 17333340, 26000010, 52000020]

約数ペア:

[(1, 52000020), (2, 26000010), (3, 17333340), (4, 13000005), (5, 10400004), (6, 8666670), (9, 5777780), (10, 5200002), (12, 4333335), (15, 3466668), (18, 2888890), (20, 2600001), (30, 1733334), (31, 1677420), (36, 1444445), (45, 1155556), (60, 866667), (62, 838710), (90, 577778), (93, 559140), (124, 419355), (155, 335484), (180, 288889), (186, 279570), (279, 186380), (310, 167742), (372, 139785), (465, 111828), (558, 93190), (620, 83871), (930, 55914), (1116, 46595), (1395, 37276), (1860, 27957), (2790, 18638), (5580, 9319)]