419820320

素因数分解:

$2^5\times 5^1\times {\mathrm{41}}^1\times {\mathrm{63997}}^1$

素因数の和:64053

約数の個数: 48

約数和(自身を含む): 1016032248

約数和(自身を除く): 596211928

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 41, 80, 82, 160, 164, 205, 328, 410, 656, 820, 1312, 1640, 3280, 6560, 63997, 127994, 255988, 319985, 511976, 639970, 1023952, 1279940, 2047904, 2559880, 2623877, 5119760, 5247754, 10239520, 10495508, 13119385, 20991016, 26238770, 41982032, 52477540, 83964064, 104955080, 209910160, 419820320]

約数ペア:

[(1, 419820320), (2, 209910160), (4, 104955080), (5, 83964064), (8, 52477540), (10, 41982032), (16, 26238770), (20, 20991016), (32, 13119385), (40, 10495508), (41, 10239520), (80, 5247754), (82, 5119760), (160, 2623877), (164, 2559880), (205, 2047904), (328, 1279940), (410, 1023952), (656, 639970), (820, 511976), (1312, 319985), (1640, 255988), (3280, 127994), (6560, 63997)]