259386880

素因数分解:

$2^9\times 5^1\times {\mathrm{101323}}^1$

素因数の和:101346

約数の個数: 40

約数和(自身を含む): 621926712

約数和(自身を除く): 362539832

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 64, 80, 128, 160, 256, 320, 512, 640, 1280, 2560, 101323, 202646, 405292, 506615, 810584, 1013230, 1621168, 2026460, 3242336, 4052920, 6484672, 8105840, 12969344, 16211680, 25938688, 32423360, 51877376, 64846720, 129693440, 259386880]

約数ペア:

[(1, 259386880), (2, 129693440), (4, 64846720), (5, 51877376), (8, 32423360), (10, 25938688), (16, 16211680), (20, 12969344), (32, 8105840), (40, 6484672), (64, 4052920), (80, 3242336), (128, 2026460), (160, 1621168), (256, 1013230), (320, 810584), (512, 506615), (640, 405292), (1280, 202646), (2560, 101323)]