28777580

素因数分解:

$2^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{151}}^1\times {\mathrm{733}}^1$

素因数の和:906

約数の個数: 48

約数和(自身を含む): 65601984

約数和(自身を除く): 36824404

約数列:

[1, 2, 4, 5, 10, 13, 20, 26, 52, 65, 130, 151, 260, 302, 604, 733, 755, 1466, 1510, 1963, 2932, 3020, 3665, 3926, 7330, 7852, 9529, 9815, 14660, 19058, 19630, 38116, 39260, 47645, 95290, 110683, 190580, 221366, 442732, 553415, 1106830, 1438879, 2213660, 2877758, 5755516, 7194395, 14388790, 28777580]

約数ペア:

[(1, 28777580), (2, 14388790), (4, 7194395), (5, 5755516), (10, 2877758), (13, 2213660), (20, 1438879), (26, 1106830), (52, 553415), (65, 442732), (130, 221366), (151, 190580), (260, 110683), (302, 95290), (604, 47645), (733, 39260), (755, 38116), (1466, 19630), (1510, 19058), (1963, 14660), (2932, 9815), (3020, 9529), (3665, 7852), (3926, 7330)]