28728050

素因数分解:

$2^1\times 5^2\times {\mathrm{13}}^1\times {\mathrm{193}}^1\times {\mathrm{229}}^1$

素因数の和:447

約数の個数: 48

約数和(自身を含む): 58095240

約数和(自身を除く): 29367190

約数列:

[1, 2, 5, 10, 13, 25, 26, 50, 65, 130, 193, 229, 325, 386, 458, 650, 965, 1145, 1930, 2290, 2509, 2977, 4825, 5018, 5725, 5954, 9650, 11450, 12545, 14885, 25090, 29770, 44197, 62725, 74425, 88394, 125450, 148850, 220985, 441970, 574561, 1104925, 1149122, 2209850, 2872805, 5745610, 14364025, 28728050]

約数ペア:

[(1, 28728050), (2, 14364025), (5, 5745610), (10, 2872805), (13, 2209850), (25, 1149122), (26, 1104925), (50, 574561), (65, 441970), (130, 220985), (193, 148850), (229, 125450), (325, 88394), (386, 74425), (458, 62725), (650, 44197), (965, 29770), (1145, 25090), (1930, 14885), (2290, 12545), (2509, 11450), (2977, 9650), (4825, 5954), (5018, 5725)]