2081300

素因数分解:

$2^2\times 5^2\times {\mathrm{13}}^1\times {\mathrm{1601}}^1$

素因数の和:1628

約数の個数: 36

約数和(自身を含む): 4866876

約数和(自身を除く): 2785576

約数列:

[1, 2, 4, 5, 10, 13, 20, 25, 26, 50, 52, 65, 100, 130, 260, 325, 650, 1300, 1601, 3202, 6404, 8005, 16010, 20813, 32020, 40025, 41626, 80050, 83252, 104065, 160100, 208130, 416260, 520325, 1040650, 2081300]

約数ペア:

[(1, 2081300), (2, 1040650), (4, 520325), (5, 416260), (10, 208130), (13, 160100), (20, 104065), (25, 83252), (26, 80050), (50, 41626), (52, 40025), (65, 32020), (100, 20813), (130, 16010), (260, 8005), (325, 6404), (650, 3202), (1300, 1601)]