40969040

素因数分解:

$2^4\times 5^1\times 7^1\times {\mathrm{149}}^1\times {\mathrm{491}}^1$

素因数の和:660

約数の個数: 80

約数和(自身を含む): 109814400

約数和(自身を除く): 68845360

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 28, 35, 40, 56, 70, 80, 112, 140, 149, 280, 298, 491, 560, 596, 745, 982, 1043, 1192, 1490, 1964, 2086, 2384, 2455, 2980, 3437, 3928, 4172, 4910, 5215, 5960, 6874, 7856, 8344, 9820, 10430, 11920, 13748, 16688, 17185, 19640, 20860, 27496, 34370, 39280, 41720, 54992, 68740, 73159, 83440, 137480, 146318, 274960, 292636, 365795, 512113, 585272, 731590, 1024226, 1170544, 1463180, 2048452, 2560565, 2926360, 4096904, 5121130, 5852720, 8193808, 10242260, 20484520, 40969040]

約数ペア:

[(1, 40969040), (2, 20484520), (4, 10242260), (5, 8193808), (7, 5852720), (8, 5121130), (10, 4096904), (14, 2926360), (16, 2560565), (20, 2048452), (28, 1463180), (35, 1170544), (40, 1024226), (56, 731590), (70, 585272), (80, 512113), (112, 365795), (140, 292636), (149, 274960), (280, 146318), (298, 137480), (491, 83440), (560, 73159), (596, 68740), (745, 54992), (982, 41720), (1043, 39280), (1192, 34370), (1490, 27496), (1964, 20860), (2086, 19640), (2384, 17185), (2455, 16688), (2980, 13748), (3437, 11920), (3928, 10430), (4172, 9820), (4910, 8344), (5215, 7856), (5960, 6874)]