12205700

素因数分解:

$2^2\times 5^2\times {\mathrm{13}}^1\times {\mathrm{41}}^1\times {\mathrm{229}}^1$

素因数の和:297

約数の個数: 72

約数和(自身を含む): 29347080

約数和(自身を除く): 17141380

約数列:

[1, 2, 4, 5, 10, 13, 20, 25, 26, 41, 50, 52, 65, 82, 100, 130, 164, 205, 229, 260, 325, 410, 458, 533, 650, 820, 916, 1025, 1066, 1145, 1300, 2050, 2132, 2290, 2665, 2977, 4100, 4580, 5330, 5725, 5954, 9389, 10660, 11450, 11908, 13325, 14885, 18778, 22900, 26650, 29770, 37556, 46945, 53300, 59540, 74425, 93890, 122057, 148850, 187780, 234725, 244114, 297700, 469450, 488228, 610285, 938900, 1220570, 2441140, 3051425, 6102850, 12205700]

約数ペア:

[(1, 12205700), (2, 6102850), (4, 3051425), (5, 2441140), (10, 1220570), (13, 938900), (20, 610285), (25, 488228), (26, 469450), (41, 297700), (50, 244114), (52, 234725), (65, 187780), (82, 148850), (100, 122057), (130, 93890), (164, 74425), (205, 59540), (229, 53300), (260, 46945), (325, 37556), (410, 29770), (458, 26650), (533, 22900), (650, 18778), (820, 14885), (916, 13325), (1025, 11908), (1066, 11450), (1145, 10660), (1300, 9389), (2050, 5954), (2132, 5725), (2290, 5330), (2665, 4580), (2977, 4100)]