13565520020

素因数分解:

$2^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{31}}^1\times {\mathrm{1683067}}^1$

素因数の和:1683120

約数の個数: 48

約数和(自身を含む): 31668607488

約数和(自身を除く): 18103087468

約数列:

[1, 2, 4, 5, 10, 13, 20, 26, 31, 52, 62, 65, 124, 130, 155, 260, 310, 403, 620, 806, 1612, 2015, 4030, 8060, 1683067, 3366134, 6732268, 8415335, 16830670, 21879871, 33661340, 43759742, 52175077, 87519484, 104350154, 109399355, 208700308, 218798710, 260875385, 437597420, 521750770, 678276001, 1043501540, 1356552002, 2713104004, 3391380005, 6782760010, 13565520020]

約数ペア:

[(1, 13565520020), (2, 6782760010), (4, 3391380005), (5, 2713104004), (10, 1356552002), (13, 1043501540), (20, 678276001), (26, 521750770), (31, 437597420), (52, 260875385), (62, 218798710), (65, 208700308), (124, 109399355), (130, 104350154), (155, 87519484), (260, 52175077), (310, 43759742), (403, 33661340), (620, 21879871), (806, 16830670), (1612, 8415335), (2015, 6732268), (4030, 3366134), (8060, 1683067)]