89089720

素因数分解:

$2^3\times 5^1\times {\mathrm{41}}^1\times {\mathrm{54323}}^1$

素因数の和:54375

約数の個数: 32

約数和(自身を含む): 205344720

約数和(自身を除く): 116255000

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 41, 82, 164, 205, 328, 410, 820, 1640, 54323, 108646, 217292, 271615, 434584, 543230, 1086460, 2172920, 2227243, 4454486, 8908972, 11136215, 17817944, 22272430, 44544860, 89089720]

約数ペア:

[(1, 89089720), (2, 44544860), (4, 22272430), (5, 17817944), (8, 11136215), (10, 8908972), (20, 4454486), (40, 2227243), (41, 2172920), (82, 1086460), (164, 543230), (205, 434584), (328, 271615), (410, 217292), (820, 108646), (1640, 54323)]