12751700

素因数分解:

$2^2\times 5^2\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{577}}^1$

素因数の和:621

約数の個数: 72

約数和(自身を含む): 31607352

約数和(自身を除く): 18855652

約数列:

[1, 2, 4, 5, 10, 13, 17, 20, 25, 26, 34, 50, 52, 65, 68, 85, 100, 130, 170, 221, 260, 325, 340, 425, 442, 577, 650, 850, 884, 1105, 1154, 1300, 1700, 2210, 2308, 2885, 4420, 5525, 5770, 7501, 9809, 11050, 11540, 14425, 15002, 19618, 22100, 28850, 30004, 37505, 39236, 49045, 57700, 75010, 98090, 127517, 150020, 187525, 196180, 245225, 255034, 375050, 490450, 510068, 637585, 750100, 980900, 1275170, 2550340, 3187925, 6375850, 12751700]

約数ペア:

[(1, 12751700), (2, 6375850), (4, 3187925), (5, 2550340), (10, 1275170), (13, 980900), (17, 750100), (20, 637585), (25, 510068), (26, 490450), (34, 375050), (50, 255034), (52, 245225), (65, 196180), (68, 187525), (85, 150020), (100, 127517), (130, 98090), (170, 75010), (221, 57700), (260, 49045), (325, 39236), (340, 37505), (425, 30004), (442, 28850), (577, 22100), (650, 19618), (850, 15002), (884, 14425), (1105, 11540), (1154, 11050), (1300, 9809), (1700, 7501), (2210, 5770), (2308, 5525), (2885, 4420)]