28020880

素因数分解:

$2^4\times 5^1\times {\mathrm{227}}^1\times {\mathrm{1543}}^1$

素因数の和:1783

約数の個数: 40

約数和(自身を含む): 65477952

約数和(自身を除く): 37457072

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 227, 454, 908, 1135, 1543, 1816, 2270, 3086, 3632, 4540, 6172, 7715, 9080, 12344, 15430, 18160, 24688, 30860, 61720, 123440, 350261, 700522, 1401044, 1751305, 2802088, 3502610, 5604176, 7005220, 14010440, 28020880]

約数ペア:

[(1, 28020880), (2, 14010440), (4, 7005220), (5, 5604176), (8, 3502610), (10, 2802088), (16, 1751305), (20, 1401044), (40, 700522), (80, 350261), (227, 123440), (454, 61720), (908, 30860), (1135, 24688), (1543, 18160), (1816, 15430), (2270, 12344), (3086, 9080), (3632, 7715), (4540, 6172)]