16185536640020

素因数分解:

$2^2\times 5^1\times {\mathrm{11}}^2\times {\mathrm{101}}^1\times {\mathrm{66220181}}^1$

素因数の和:66220313

約数の個数: 72

約数和(自身を含む): 37730405538504

約数和(自身を除く): 21544868898484

約数列:

[1, 2, 4, 5, 10, 11, 20, 22, 44, 55, 101, 110, 121, 202, 220, 242, 404, 484, 505, 605, 1010, 1111, 1210, 2020, 2222, 2420, 4444, 5555, 11110, 12221, 22220, 24442, 48884, 61105, 122210, 244420, 66220181, 132440362, 264880724, 331100905, 662201810, 728421991, 1324403620, 1456843982, 2913687964, 3642109955, 6688238281, 7284219910, 8012641901, 13376476562, 14568439820, 16025283802, 26752953124, 32050567604, 33441191405, 40063209505, 66882382810, 73570621091, 80126419010, 133764765620, 147141242182, 160252838020, 294282484364, 367853105455, 735706210910, 809276832001, 1471412421820, 1618553664002, 3237107328004, 4046384160005, 8092768320010, 16185536640020]

約数ペア:

[(1, 16185536640020), (2, 8092768320010), (4, 4046384160005), (5, 3237107328004), (10, 1618553664002), (11, 1471412421820), (20, 809276832001), (22, 735706210910), (44, 367853105455), (55, 294282484364), (101, 160252838020), (110, 147141242182), (121, 133764765620), (202, 80126419010), (220, 73570621091), (242, 66882382810), (404, 40063209505), (484, 33441191405), (505, 32050567604), (605, 26752953124), (1010, 16025283802), (1111, 14568439820), (1210, 13376476562), (2020, 8012641901), (2222, 7284219910), (2420, 6688238281), (4444, 3642109955), (5555, 2913687964), (11110, 1456843982), (12221, 1324403620), (22220, 728421991), (24442, 662201810), (48884, 331100905), (61105, 264880724), (122210, 132440362), (244420, 66220181)]