205196804920

素因数分解:

$2^3\times 5^1\times {\mathrm{41}}^1\times {\mathrm{18457}}^1\times {\mathrm{6779}}^1$

素因数の和:25288

約数の個数: 64

約数和(自身を含む): 473049007200

約数和(自身を除く): 267852202280

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 41, 82, 164, 205, 328, 410, 820, 1640, 6779, 13558, 18457, 27116, 33895, 36914, 54232, 67790, 73828, 92285, 135580, 147656, 184570, 271160, 277939, 369140, 555878, 738280, 756737, 1111756, 1389695, 1513474, 2223512, 2779390, 3026948, 3783685, 5558780, 6053896, 7567370, 11117560, 15134740, 30269480, 125120003, 250240006, 500480012, 625600015, 1000960024, 1251200030, 2502400060, 5004800120, 5129920123, 10259840246, 20519680492, 25649600615, 41039360984, 51299201230, 102598402460, 205196804920]

約数ペア:

[(1, 205196804920), (2, 102598402460), (4, 51299201230), (5, 41039360984), (8, 25649600615), (10, 20519680492), (20, 10259840246), (40, 5129920123), (41, 5004800120), (82, 2502400060), (164, 1251200030), (205, 1000960024), (328, 625600015), (410, 500480012), (820, 250240006), (1640, 125120003), (6779, 30269480), (13558, 15134740), (18457, 11117560), (27116, 7567370), (33895, 6053896), (36914, 5558780), (54232, 3783685), (67790, 3026948), (73828, 2779390), (92285, 2223512), (135580, 1513474), (147656, 1389695), (184570, 1111756), (271160, 756737), (277939, 738280), (369140, 555878)]