634330880

素因数分解:

$2^8\times 5^1\times {\mathrm{495571}}^1$

素因数の和:495592

約数の個数: 36

約数和(自身を含む): 1519423752

約数和(自身を除く): 885092872

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 64, 80, 128, 160, 256, 320, 640, 1280, 495571, 991142, 1982284, 2477855, 3964568, 4955710, 7929136, 9911420, 15858272, 19822840, 31716544, 39645680, 63433088, 79291360, 126866176, 158582720, 317165440, 634330880]

約数ペア:

[(1, 634330880), (2, 317165440), (4, 158582720), (5, 126866176), (8, 79291360), (10, 63433088), (16, 39645680), (20, 31716544), (32, 19822840), (40, 15858272), (64, 9911420), (80, 7929136), (128, 4955710), (160, 3964568), (256, 2477855), (320, 1982284), (640, 991142), (1280, 495571)]