888966920

素因数分解:

$2^3\times 5^1\times {\mathrm{41}}^1\times {\mathrm{542053}}^1$

素因数の和:542105

約数の個数: 32

約数和(自身を含む): 2048964120

約数和(自身を除く): 1159997200

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 41, 82, 164, 205, 328, 410, 820, 1640, 542053, 1084106, 2168212, 2710265, 4336424, 5420530, 10841060, 21682120, 22224173, 44448346, 88896692, 111120865, 177793384, 222241730, 444483460, 888966920]

約数ペア:

[(1, 888966920), (2, 444483460), (4, 222241730), (5, 177793384), (8, 111120865), (10, 88896692), (20, 44448346), (40, 22224173), (41, 21682120), (82, 10841060), (164, 5420530), (205, 4336424), (328, 2710265), (410, 2168212), (820, 1084106), (1640, 542053)]