13828400

素因数分解:

$2^4\times 5^2\times {\mathrm{181}}^1\times {\mathrm{191}}^1$

素因数の和:390

約数の個数: 60

約数和(自身を含む): 33581184

約数和(自身を除く): 19752784

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 25, 40, 50, 80, 100, 181, 191, 200, 362, 382, 400, 724, 764, 905, 955, 1448, 1528, 1810, 1910, 2896, 3056, 3620, 3820, 4525, 4775, 7240, 7640, 9050, 9550, 14480, 15280, 18100, 19100, 34571, 36200, 38200, 69142, 72400, 76400, 138284, 172855, 276568, 345710, 553136, 691420, 864275, 1382840, 1728550, 2765680, 3457100, 6914200, 13828400]

約数ペア:

[(1, 13828400), (2, 6914200), (4, 3457100), (5, 2765680), (8, 1728550), (10, 1382840), (16, 864275), (20, 691420), (25, 553136), (40, 345710), (50, 276568), (80, 172855), (100, 138284), (181, 76400), (191, 72400), (200, 69142), (362, 38200), (382, 36200), (400, 34571), (724, 19100), (764, 18100), (905, 15280), (955, 14480), (1448, 9550), (1528, 9050), (1810, 7640), (1910, 7240), (2896, 4775), (3056, 4525), (3620, 3820)]