82820140

素因数分解:

$2^2\times 5^1\times {\mathrm{13}}^2\times {\mathrm{107}}^1\times {\mathrm{229}}^1$

素因数の和:371

約数の個数: 72

約数和(自身を含む): 190920240

約数和(自身を除く): 108100100

約数列:

[1, 2, 4, 5, 10, 13, 20, 26, 52, 65, 107, 130, 169, 214, 229, 260, 338, 428, 458, 535, 676, 845, 916, 1070, 1145, 1391, 1690, 2140, 2290, 2782, 2977, 3380, 4580, 5564, 5954, 6955, 11908, 13910, 14885, 18083, 24503, 27820, 29770, 36166, 38701, 49006, 59540, 72332, 77402, 90415, 98012, 122515, 154804, 180830, 193505, 245030, 318539, 361660, 387010, 490060, 637078, 774020, 1274156, 1592695, 3185390, 4141007, 6370780, 8282014, 16564028, 20705035, 41410070, 82820140]

約数ペア:

[(1, 82820140), (2, 41410070), (4, 20705035), (5, 16564028), (10, 8282014), (13, 6370780), (20, 4141007), (26, 3185390), (52, 1592695), (65, 1274156), (107, 774020), (130, 637078), (169, 490060), (214, 387010), (229, 361660), (260, 318539), (338, 245030), (428, 193505), (458, 180830), (535, 154804), (676, 122515), (845, 98012), (916, 90415), (1070, 77402), (1145, 72332), (1391, 59540), (1690, 49006), (2140, 38701), (2290, 36166), (2782, 29770), (2977, 27820), (3380, 24503), (4580, 18083), (5564, 14885), (5954, 13910), (6955, 11908)]