78578320

素因数分解:

$2^4\times 5^1\times {\mathrm{227}}^1\times {\mathrm{4327}}^1$

素因数の和:4567

約数の個数: 40

約数和(自身を含む): 183541824

約数和(自身を除く): 104963504

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 227, 454, 908, 1135, 1816, 2270, 3632, 4327, 4540, 8654, 9080, 17308, 18160, 21635, 34616, 43270, 69232, 86540, 173080, 346160, 982229, 1964458, 3928916, 4911145, 7857832, 9822290, 15715664, 19644580, 39289160, 78578320]

約数ペア:

[(1, 78578320), (2, 39289160), (4, 19644580), (5, 15715664), (8, 9822290), (10, 7857832), (16, 4911145), (20, 3928916), (40, 1964458), (80, 982229), (227, 346160), (454, 173080), (908, 86540), (1135, 69232), (1816, 43270), (2270, 34616), (3632, 21635), (4327, 18160), (4540, 17308), (8654, 9080)]