3929385625

素因数分解:

$5^4\times {\mathrm{11}}^1\times {\mathrm{31}}^1\times {\mathrm{103}}^1\times {\mathrm{179}}^1$

素因数の和:344

約数の個数: 80

約数和(自身を含む): 5614202880

約数和(自身を除く): 1684817255

約数列:

[1, 5, 11, 25, 31, 55, 103, 125, 155, 179, 275, 341, 515, 625, 775, 895, 1133, 1375, 1705, 1969, 2575, 3193, 3875, 4475, 5549, 5665, 6875, 8525, 9845, 12875, 15965, 18437, 19375, 22375, 27745, 28325, 35123, 42625, 49225, 61039, 64375, 79825, 92185, 111875, 138725, 141625, 175615, 202807, 213125, 246125, 305195, 399125, 460925, 571547, 693625, 708125, 878075, 1014035, 1230625, 1525975, 1995625, 2304625, 2857735, 3468125, 4390375, 5070175, 6287017, 7629875, 11523125, 14288675, 21951875, 25350875, 31435085, 38149375, 71443375, 126754375, 157175425, 357216875, 785877125, 3929385625]

約数ペア:

[(1, 3929385625), (5, 785877125), (11, 357216875), (25, 157175425), (31, 126754375), (55, 71443375), (103, 38149375), (125, 31435085), (155, 25350875), (179, 21951875), (275, 14288675), (341, 11523125), (515, 7629875), (625, 6287017), (775, 5070175), (895, 4390375), (1133, 3468125), (1375, 2857735), (1705, 2304625), (1969, 1995625), (2575, 1525975), (3193, 1230625), (3875, 1014035), (4475, 878075), (5549, 708125), (5665, 693625), (6875, 571547), (8525, 460925), (9845, 399125), (12875, 305195), (15965, 246125), (18437, 213125), (19375, 202807), (22375, 175615), (27745, 141625), (28325, 138725), (35123, 111875), (42625, 92185), (49225, 79825), (61039, 64375)]