129571840

素因数分解:

$2^{10}\times 5^1\times {\mathrm{25307}}^1$

素因数の和:25332

約数の個数: 44

約数和(自身を含む): 310832856

約数和(自身を除く): 181261016

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 64, 80, 128, 160, 256, 320, 512, 640, 1024, 1280, 2560, 5120, 25307, 50614, 101228, 126535, 202456, 253070, 404912, 506140, 809824, 1012280, 1619648, 2024560, 3239296, 4049120, 6478592, 8098240, 12957184, 16196480, 25914368, 32392960, 64785920, 129571840]

約数ペア:

[(1, 129571840), (2, 64785920), (4, 32392960), (5, 25914368), (8, 16196480), (10, 12957184), (16, 8098240), (20, 6478592), (32, 4049120), (40, 3239296), (64, 2024560), (80, 1619648), (128, 1012280), (160, 809824), (256, 506140), (320, 404912), (512, 253070), (640, 202456), (1024, 126535), (1280, 101228), (2560, 50614), (5120, 25307)]