19852806875

素因数分解:

$5^4\times {\mathrm{11}}^1\times {\mathrm{31}}^1\times {\mathrm{93151}}^1$

素因数の和:93213

約数の個数: 40

約数和(自身を含む): 27936657408

約数和(自身を除く): 8083850533

約数列:

[1, 5, 11, 25, 31, 55, 125, 155, 275, 341, 625, 775, 1375, 1705, 3875, 6875, 8525, 19375, 42625, 93151, 213125, 465755, 1024661, 2328775, 2887681, 5123305, 11643875, 14438405, 25616525, 31764491, 58219375, 72192025, 128082625, 158822455, 360960125, 640413125, 794112275, 1804800625, 3970561375, 19852806875]

約数ペア:

[(1, 19852806875), (5, 3970561375), (11, 1804800625), (25, 794112275), (31, 640413125), (55, 360960125), (125, 158822455), (155, 128082625), (275, 72192025), (341, 58219375), (625, 31764491), (775, 25616525), (1375, 14438405), (1705, 11643875), (3875, 5123305), (6875, 2887681), (8525, 2328775), (19375, 1024661), (42625, 465755), (93151, 213125)]