15631250

素因数分解:

$2^1\times 5^5\times {\mathrm{41}}^1\times {\mathrm{61}}^1$

素因数の和:129

約数の個数: 48

約数和(自身を含む): 30513672

約数和(自身を除く): 14882422

約数列:

[1, 2, 5, 10, 25, 41, 50, 61, 82, 122, 125, 205, 250, 305, 410, 610, 625, 1025, 1250, 1525, 2050, 2501, 3050, 3125, 5002, 5125, 6250, 7625, 10250, 12505, 15250, 25010, 25625, 38125, 51250, 62525, 76250, 125050, 128125, 190625, 256250, 312625, 381250, 625250, 1563125, 3126250, 7815625, 15631250]

約数ペア:

[(1, 15631250), (2, 7815625), (5, 3126250), (10, 1563125), (25, 625250), (41, 381250), (50, 312625), (61, 256250), (82, 190625), (122, 128125), (125, 125050), (205, 76250), (250, 62525), (305, 51250), (410, 38125), (610, 25625), (625, 25010), (1025, 15250), (1250, 12505), (1525, 10250), (2050, 7625), (2501, 6250), (3050, 5125), (3125, 5002)]