2000449040

素因数分解:

$2^4\times 5^1\times {\mathrm{41}}^1\times {\mathrm{587}}^1\times {\mathrm{1039}}^1$

素因数の和:1680

約数の個数: 80

約数和(自身を含む): 4777194240

約数和(自身を除く): 2776745200

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 41, 80, 82, 164, 205, 328, 410, 587, 656, 820, 1039, 1174, 1640, 2078, 2348, 2935, 3280, 4156, 4696, 5195, 5870, 8312, 9392, 10390, 11740, 16624, 20780, 23480, 24067, 41560, 42599, 46960, 48134, 83120, 85198, 96268, 120335, 170396, 192536, 212995, 240670, 340792, 385072, 425990, 481340, 609893, 681584, 851980, 962680, 1219786, 1703960, 1925360, 2439572, 3049465, 3407920, 4879144, 6098930, 9758288, 12197860, 24395720, 25005613, 48791440, 50011226, 100022452, 125028065, 200044904, 250056130, 400089808, 500112260, 1000224520, 2000449040]

約数ペア:

[(1, 2000449040), (2, 1000224520), (4, 500112260), (5, 400089808), (8, 250056130), (10, 200044904), (16, 125028065), (20, 100022452), (40, 50011226), (41, 48791440), (80, 25005613), (82, 24395720), (164, 12197860), (205, 9758288), (328, 6098930), (410, 4879144), (587, 3407920), (656, 3049465), (820, 2439572), (1039, 1925360), (1174, 1703960), (1640, 1219786), (2078, 962680), (2348, 851980), (2935, 681584), (3280, 609893), (4156, 481340), (4696, 425990), (5195, 385072), (5870, 340792), (8312, 240670), (9392, 212995), (10390, 192536), (11740, 170396), (16624, 120335), (20780, 96268), (23480, 85198), (24067, 83120), (41560, 48134), (42599, 46960)]