101028920

素因数分解:

$2^3\times 5^1\times {\mathrm{41}}^1\times {\mathrm{61603}}^1$

素因数の和:61655

約数の個数: 32

約数和(自身を含む): 232863120

約数和(自身を除く): 131834200

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 41, 82, 164, 205, 328, 410, 820, 1640, 61603, 123206, 246412, 308015, 492824, 616030, 1232060, 2464120, 2525723, 5051446, 10102892, 12628615, 20205784, 25257230, 50514460, 101028920]

約数ペア:

[(1, 101028920), (2, 50514460), (4, 25257230), (5, 20205784), (8, 12628615), (10, 10102892), (20, 5051446), (40, 2525723), (41, 2464120), (82, 1232060), (164, 616030), (205, 492824), (328, 308015), (410, 246412), (820, 123206), (1640, 61603)]