91710020

素因数分解:

$2^2\times 5^1\times {\mathrm{83}}^1\times {\mathrm{101}}^1\times {\mathrm{547}}^1$

素因数の和:740

約数の個数: 48

約数和(自身を含む): 197201088

約数和(自身を除く): 105491068

約数列:

[1, 2, 4, 5, 10, 20, 83, 101, 166, 202, 332, 404, 415, 505, 547, 830, 1010, 1094, 1660, 2020, 2188, 2735, 5470, 8383, 10940, 16766, 33532, 41915, 45401, 55247, 83830, 90802, 110494, 167660, 181604, 220988, 227005, 276235, 454010, 552470, 908020, 1104940, 4585501, 9171002, 18342004, 22927505, 45855010, 91710020]

約数ペア:

[(1, 91710020), (2, 45855010), (4, 22927505), (5, 18342004), (10, 9171002), (20, 4585501), (83, 1104940), (101, 908020), (166, 552470), (202, 454010), (332, 276235), (404, 227005), (415, 220988), (505, 181604), (547, 167660), (830, 110494), (1010, 90802), (1094, 83830), (1660, 55247), (2020, 45401), (2188, 41915), (2735, 33532), (5470, 16766), (8383, 10940)]