42644920

素因数分解:

$2^3\times 5^1\times {\mathrm{41}}^1\times {\mathrm{26003}}^1$

素因数の和:26055

約数の個数: 32

約数和(自身を含む): 98295120

約数和(自身を除く): 55650200

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 41, 82, 164, 205, 328, 410, 820, 1640, 26003, 52006, 104012, 130015, 208024, 260030, 520060, 1040120, 1066123, 2132246, 4264492, 5330615, 8528984, 10661230, 21322460, 42644920]

約数ペア:

[(1, 42644920), (2, 21322460), (4, 10661230), (5, 8528984), (8, 5330615), (10, 4264492), (20, 2132246), (40, 1066123), (41, 1040120), (82, 520060), (164, 260030), (205, 208024), (328, 130015), (410, 104012), (820, 52006), (1640, 26003)]