4478720

素因数分解:

$2^8\times 5^1\times {\mathrm{3499}}^1$

素因数の和:3520

約数の個数: 36

約数和(自身を含む): 10731000

約数和(自身を除く): 6252280

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 64, 80, 128, 160, 256, 320, 640, 1280, 3499, 6998, 13996, 17495, 27992, 34990, 55984, 69980, 111968, 139960, 223936, 279920, 447872, 559840, 895744, 1119680, 2239360, 4478720]

約数ペア:

[(1, 4478720), (2, 2239360), (4, 1119680), (5, 895744), (8, 559840), (10, 447872), (16, 279920), (20, 223936), (32, 139960), (40, 111968), (64, 69980), (80, 55984), (128, 34990), (160, 27992), (256, 17495), (320, 13996), (640, 6998), (1280, 3499)]