416528020

素因数分解:

$2^2\times 5^1\times {\mathrm{41}}^1\times {\mathrm{507961}}^1$

素因数の和:508011

約数の個数: 24

約数和(自身を含む): 896044968

約数和(自身を除く): 479516948

約数列:

[1, 2, 4, 5, 10, 20, 41, 82, 164, 205, 410, 820, 507961, 1015922, 2031844, 2539805, 5079610, 10159220, 20826401, 41652802, 83305604, 104132005, 208264010, 416528020]

約数ペア:

[(1, 416528020), (2, 208264010), (4, 104132005), (5, 83305604), (10, 41652802), (20, 20826401), (41, 10159220), (82, 5079610), (164, 2539805), (205, 2031844), (410, 1015922), (820, 507961)]