16105220

素因数分解:

$2^2\times 5^1\times {\mathrm{43}}^1\times {\mathrm{61}}^1\times {\mathrm{307}}^1$

素因数の和:420

約数の個数: 48

約数和(自身を含む): 35289408

約数和(自身を除く): 19184188

約数列:

[1, 2, 4, 5, 10, 20, 43, 61, 86, 122, 172, 215, 244, 305, 307, 430, 610, 614, 860, 1220, 1228, 1535, 2623, 3070, 5246, 6140, 10492, 13115, 13201, 18727, 26230, 26402, 37454, 52460, 52804, 66005, 74908, 93635, 132010, 187270, 264020, 374540, 805261, 1610522, 3221044, 4026305, 8052610, 16105220]

約数ペア:

[(1, 16105220), (2, 8052610), (4, 4026305), (5, 3221044), (10, 1610522), (20, 805261), (43, 374540), (61, 264020), (86, 187270), (122, 132010), (172, 93635), (215, 74908), (244, 66005), (305, 52804), (307, 52460), (430, 37454), (610, 26402), (614, 26230), (860, 18727), (1220, 13201), (1228, 13115), (1535, 10492), (2623, 6140), (3070, 5246)]