85459580

素因数分解:

$2^2\times 5^1\times {\mathrm{41}}^1\times {\mathrm{89}}^1\times {\mathrm{1171}}^1$

素因数の和:1310

約数の個数: 48

約数和(自身を含む): 186066720

約数和(自身を除く): 100607140

約数列:

[1, 2, 4, 5, 10, 20, 41, 82, 89, 164, 178, 205, 356, 410, 445, 820, 890, 1171, 1780, 2342, 3649, 4684, 5855, 7298, 11710, 14596, 18245, 23420, 36490, 48011, 72980, 96022, 104219, 192044, 208438, 240055, 416876, 480110, 521095, 960220, 1042190, 2084380, 4272979, 8545958, 17091916, 21364895, 42729790, 85459580]

約数ペア:

[(1, 85459580), (2, 42729790), (4, 21364895), (5, 17091916), (10, 8545958), (20, 4272979), (41, 2084380), (82, 1042190), (89, 960220), (164, 521095), (178, 480110), (205, 416876), (356, 240055), (410, 208438), (445, 192044), (820, 104219), (890, 96022), (1171, 72980), (1780, 48011), (2342, 36490), (3649, 23420), (4684, 18245), (5855, 14596), (7298, 11710)]