396450980480

素因数分解:

$2^7\times 5^1\times {\mathrm{2531}}^1\times {\mathrm{244747}}^1$

素因数の和:247297

約数の個数: 64

約数和(自身を含む): 948143962080

約数和(自身を除く): 551692981600

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 64, 80, 128, 160, 320, 640, 2531, 5062, 10124, 12655, 20248, 25310, 40496, 50620, 80992, 101240, 161984, 202480, 244747, 323968, 404960, 489494, 809920, 978988, 1223735, 1619840, 1957976, 2447470, 3915952, 4894940, 7831904, 9789880, 15663808, 19579760, 31327616, 39159520, 78319040, 156638080, 619454657, 1238909314, 2477818628, 3097273285, 4955637256, 6194546570, 9911274512, 12389093140, 19822549024, 24778186280, 39645098048, 49556372560, 79290196096, 99112745120, 198225490240, 396450980480]

約数ペア:

[(1, 396450980480), (2, 198225490240), (4, 99112745120), (5, 79290196096), (8, 49556372560), (10, 39645098048), (16, 24778186280), (20, 19822549024), (32, 12389093140), (40, 9911274512), (64, 6194546570), (80, 4955637256), (128, 3097273285), (160, 2477818628), (320, 1238909314), (640, 619454657), (2531, 156638080), (5062, 78319040), (10124, 39159520), (12655, 31327616), (20248, 19579760), (25310, 15663808), (40496, 9789880), (50620, 7831904), (80992, 4894940), (101240, 3915952), (161984, 2447470), (202480, 1957976), (244747, 1619840), (323968, 1223735), (404960, 978988), (489494, 809920)]