2017877840

素因数分解:

$2^4\times 5^1\times {\mathrm{11}}^1\times {\mathrm{449}}^1\times {\mathrm{5107}}^1$

素因数の和:5580

約数の個数: 80

約数和(自身を含む): 5130475200

約数和(自身を除く): 3112597360

約数列:

[1, 2, 4, 5, 8, 10, 11, 16, 20, 22, 40, 44, 55, 80, 88, 110, 176, 220, 440, 449, 880, 898, 1796, 2245, 3592, 4490, 4939, 5107, 7184, 8980, 9878, 10214, 17960, 19756, 20428, 24695, 25535, 35920, 39512, 40856, 49390, 51070, 56177, 79024, 81712, 98780, 102140, 112354, 197560, 204280, 224708, 280885, 395120, 408560, 449416, 561770, 898832, 1123540, 2247080, 2293043, 4494160, 4586086, 9172172, 11465215, 18344344, 22930430, 25223473, 36688688, 45860860, 50446946, 91721720, 100893892, 126117365, 183443440, 201787784, 252234730, 403575568, 504469460, 1008938920, 2017877840]

約数ペア:

[(1, 2017877840), (2, 1008938920), (4, 504469460), (5, 403575568), (8, 252234730), (10, 201787784), (11, 183443440), (16, 126117365), (20, 100893892), (22, 91721720), (40, 50446946), (44, 45860860), (55, 36688688), (80, 25223473), (88, 22930430), (110, 18344344), (176, 11465215), (220, 9172172), (440, 4586086), (449, 4494160), (880, 2293043), (898, 2247080), (1796, 1123540), (2245, 898832), (3592, 561770), (4490, 449416), (4939, 408560), (5107, 395120), (7184, 280885), (8980, 224708), (9878, 204280), (10214, 197560), (17960, 112354), (19756, 102140), (20428, 98780), (24695, 81712), (25535, 79024), (35920, 56177), (39512, 51070), (40856, 49390)]