2081650

素因数分解:

$2^1\times 5^2\times {\mathrm{17}}^1\times {\mathrm{31}}^1\times {\mathrm{79}}^1$

素因数の和:139

約数の個数: 48

約数和(自身を含む): 4285440

約数和(自身を除く): 2203790

約数列:

[1, 2, 5, 10, 17, 25, 31, 34, 50, 62, 79, 85, 155, 158, 170, 310, 395, 425, 527, 775, 790, 850, 1054, 1343, 1550, 1975, 2449, 2635, 2686, 3950, 4898, 5270, 6715, 12245, 13175, 13430, 24490, 26350, 33575, 41633, 61225, 67150, 83266, 122450, 208165, 416330, 1040825, 2081650]

約数ペア:

[(1, 2081650), (2, 1040825), (5, 416330), (10, 208165), (17, 122450), (25, 83266), (31, 67150), (34, 61225), (50, 41633), (62, 33575), (79, 26350), (85, 24490), (155, 13430), (158, 13175), (170, 12245), (310, 6715), (395, 5270), (425, 4898), (527, 3950), (775, 2686), (790, 2635), (850, 2449), (1054, 1975), (1343, 1550)]