53497120

素因数分解:

$2^5\times 5^1\times {\mathrm{257}}^1\times {\mathrm{1301}}^1$

素因数の和:1573

約数の個数: 48

約数和(自身を含む): 126976248

約数和(自身を除く): 73479128

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 80, 160, 257, 514, 1028, 1285, 1301, 2056, 2570, 2602, 4112, 5140, 5204, 6505, 8224, 10280, 10408, 13010, 20560, 20816, 26020, 41120, 41632, 52040, 104080, 208160, 334357, 668714, 1337428, 1671785, 2674856, 3343570, 5349712, 6687140, 10699424, 13374280, 26748560, 53497120]

約数ペア:

[(1, 53497120), (2, 26748560), (4, 13374280), (5, 10699424), (8, 6687140), (10, 5349712), (16, 3343570), (20, 2674856), (32, 1671785), (40, 1337428), (80, 668714), (160, 334357), (257, 208160), (514, 104080), (1028, 52040), (1285, 41632), (1301, 41120), (2056, 26020), (2570, 20816), (2602, 20560), (4112, 13010), (5140, 10408), (5204, 10280), (6505, 8224)]