253853440

素因数分解:

$2^8\times 5^1\times {\mathrm{198323}}^1$

素因数の和:198344

約数の個数: 36

約数和(自身を含む): 608061384

約数和(自身を除く): 354207944

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 64, 80, 128, 160, 256, 320, 640, 1280, 198323, 396646, 793292, 991615, 1586584, 1983230, 3173168, 3966460, 6346336, 7932920, 12692672, 15865840, 25385344, 31731680, 50770688, 63463360, 126926720, 253853440]

約数ペア:

[(1, 253853440), (2, 126926720), (4, 63463360), (5, 50770688), (8, 31731680), (10, 25385344), (16, 15865840), (20, 12692672), (32, 7932920), (40, 6346336), (64, 3966460), (80, 3173168), (128, 1983230), (160, 1586584), (256, 991615), (320, 793292), (640, 396646), (1280, 198323)]