28023860

素因数分解:

$2^2\times 5^1\times {\mathrm{19}}^1\times {\mathrm{29}}^1\times {\mathrm{2543}}^1$

素因数の和:2600

約数の個数: 48

約数和(自身を含む): 64108800

約数和(自身を除く): 36084940

約数列:

[1, 2, 4, 5, 10, 19, 20, 29, 38, 58, 76, 95, 116, 145, 190, 290, 380, 551, 580, 1102, 2204, 2543, 2755, 5086, 5510, 10172, 11020, 12715, 25430, 48317, 50860, 73747, 96634, 147494, 193268, 241585, 294988, 368735, 483170, 737470, 966340, 1401193, 1474940, 2802386, 5604772, 7005965, 14011930, 28023860]

約数ペア:

[(1, 28023860), (2, 14011930), (4, 7005965), (5, 5604772), (10, 2802386), (19, 1474940), (20, 1401193), (29, 966340), (38, 737470), (58, 483170), (76, 368735), (95, 294988), (116, 241585), (145, 193268), (190, 147494), (290, 96634), (380, 73747), (551, 50860), (580, 48317), (1102, 25430), (2204, 12715), (2543, 11020), (2755, 10172), (5086, 5510)]