72208240

素因数分解:

$2^4\times 5^1\times {\mathrm{13}}^1\times {\mathrm{69431}}^1$

素因数の和:69457

約数の個数: 40

約数和(自身を含む): 180800928

約数和(自身を除く): 108592688

約数列:

[1, 2, 4, 5, 8, 10, 13, 16, 20, 26, 40, 52, 65, 80, 104, 130, 208, 260, 520, 1040, 69431, 138862, 277724, 347155, 555448, 694310, 902603, 1110896, 1388620, 1805206, 2777240, 3610412, 4513015, 5554480, 7220824, 9026030, 14441648, 18052060, 36104120, 72208240]

約数ペア:

[(1, 72208240), (2, 36104120), (4, 18052060), (5, 14441648), (8, 9026030), (10, 7220824), (13, 5554480), (16, 4513015), (20, 3610412), (26, 2777240), (40, 1805206), (52, 1388620), (65, 1110896), (80, 902603), (104, 694310), (130, 555448), (208, 347155), (260, 277724), (520, 138862), (1040, 69431)]