665489920

素因数分解:

$2^9\times 5^1\times {\mathrm{47}}^1\times {\mathrm{5531}}^1$

素因数の和:5601

約数の個数: 80

約数和(自身を含む): 1629859968

約数和(自身を除く): 964370048

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 47, 64, 80, 94, 128, 160, 188, 235, 256, 320, 376, 470, 512, 640, 752, 940, 1280, 1504, 1880, 2560, 3008, 3760, 5531, 6016, 7520, 11062, 12032, 15040, 22124, 24064, 27655, 30080, 44248, 55310, 60160, 88496, 110620, 120320, 176992, 221240, 259957, 353984, 442480, 519914, 707968, 884960, 1039828, 1299785, 1415936, 1769920, 2079656, 2599570, 2831872, 3539840, 4159312, 5199140, 7079680, 8318624, 10398280, 14159360, 16637248, 20796560, 33274496, 41593120, 66548992, 83186240, 133097984, 166372480, 332744960, 665489920]

約数ペア:

[(1, 665489920), (2, 332744960), (4, 166372480), (5, 133097984), (8, 83186240), (10, 66548992), (16, 41593120), (20, 33274496), (32, 20796560), (40, 16637248), (47, 14159360), (64, 10398280), (80, 8318624), (94, 7079680), (128, 5199140), (160, 4159312), (188, 3539840), (235, 2831872), (256, 2599570), (320, 2079656), (376, 1769920), (470, 1415936), (512, 1299785), (640, 1039828), (752, 884960), (940, 707968), (1280, 519914), (1504, 442480), (1880, 353984), (2560, 259957), (3008, 221240), (3760, 176992), (5531, 120320), (6016, 110620), (7520, 88496), (11062, 60160), (12032, 55310), (15040, 44248), (22124, 30080), (24064, 27655)]