40158950

素因数分解:

$2^1\times 5^2\times {\mathrm{13}}^1\times {\mathrm{31}}^1\times {\mathrm{1993}}^1$

素因数の和:2049

約数の個数: 48

約数和(自身を含む): 83078016

約数和(自身を除く): 42919066

約数列:

[1, 2, 5, 10, 13, 25, 26, 31, 50, 62, 65, 130, 155, 310, 325, 403, 650, 775, 806, 1550, 1993, 2015, 3986, 4030, 9965, 10075, 19930, 20150, 25909, 49825, 51818, 61783, 99650, 123566, 129545, 259090, 308915, 617830, 647725, 803179, 1295450, 1544575, 1606358, 3089150, 4015895, 8031790, 20079475, 40158950]

約数ペア:

[(1, 40158950), (2, 20079475), (5, 8031790), (10, 4015895), (13, 3089150), (25, 1606358), (26, 1544575), (31, 1295450), (50, 803179), (62, 647725), (65, 617830), (130, 308915), (155, 259090), (310, 129545), (325, 123566), (403, 99650), (650, 61783), (775, 51818), (806, 49825), (1550, 25909), (1993, 20150), (2015, 19930), (3986, 10075), (4030, 9965)]