2051258318180

素因数分解:

$2^2\times 5^1\times {\mathrm{163}}^1\times {\mathrm{641}}^1\times {\mathrm{981623}}^1$

素因数の和:982436

約数の個数: 48

約数和(自身を含む): 4340835563904

約数和(自身を除く): 2289577245724

約数列:

[1, 2, 4, 5, 10, 20, 163, 326, 641, 652, 815, 1282, 1630, 2564, 3205, 3260, 6410, 12820, 104483, 208966, 417932, 522415, 981623, 1044830, 1963246, 2089660, 3926492, 4908115, 9816230, 19632460, 160004549, 320009098, 629220343, 640018196, 800022745, 1258440686, 1600045490, 2516881372, 3146101715, 3200090980, 6292203430, 12584406860, 102562915909, 205125831818, 410251663636, 512814579545, 1025629159090, 2051258318180]

約数ペア:

[(1, 2051258318180), (2, 1025629159090), (4, 512814579545), (5, 410251663636), (10, 205125831818), (20, 102562915909), (163, 12584406860), (326, 6292203430), (641, 3200090980), (652, 3146101715), (815, 2516881372), (1282, 1600045490), (1630, 1258440686), (2564, 800022745), (3205, 640018196), (3260, 629220343), (6410, 320009098), (12820, 160004549), (104483, 19632460), (208966, 9816230), (417932, 4908115), (522415, 3926492), (981623, 2089660), (1044830, 1963246)]