25105808

素因数分解:

$2^4\times 7^1\times {\mathrm{13}}^1\times {\mathrm{43}}^1\times {\mathrm{401}}^1$

素因数の和:472

約数の個数: 80

約数和(自身を含む): 61412736

約数和(自身を除く): 36306928

約数列:

[1, 2, 4, 7, 8, 13, 14, 16, 26, 28, 43, 52, 56, 86, 91, 104, 112, 172, 182, 208, 301, 344, 364, 401, 559, 602, 688, 728, 802, 1118, 1204, 1456, 1604, 2236, 2408, 2807, 3208, 3913, 4472, 4816, 5213, 5614, 6416, 7826, 8944, 10426, 11228, 15652, 17243, 20852, 22456, 31304, 34486, 36491, 41704, 44912, 62608, 68972, 72982, 83408, 120701, 137944, 145964, 224159, 241402, 275888, 291928, 448318, 482804, 583856, 896636, 965608, 1569113, 1793272, 1931216, 3138226, 3586544, 6276452, 12552904, 25105808]

約数ペア:

[(1, 25105808), (2, 12552904), (4, 6276452), (7, 3586544), (8, 3138226), (13, 1931216), (14, 1793272), (16, 1569113), (26, 965608), (28, 896636), (43, 583856), (52, 482804), (56, 448318), (86, 291928), (91, 275888), (104, 241402), (112, 224159), (172, 145964), (182, 137944), (208, 120701), (301, 83408), (344, 72982), (364, 68972), (401, 62608), (559, 44912), (602, 41704), (688, 36491), (728, 34486), (802, 31304), (1118, 22456), (1204, 20852), (1456, 17243), (1604, 15652), (2236, 11228), (2408, 10426), (2807, 8944), (3208, 7826), (3913, 6416), (4472, 5614), (4816, 5213)]