13980980

素因数分解:

$2^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{53773}}^1$

素因数の和:53795

約数の個数: 24

約数和(自身を含む): 31619112

約数和(自身を除く): 17638132

約数列:

[1, 2, 4, 5, 10, 13, 20, 26, 52, 65, 130, 260, 53773, 107546, 215092, 268865, 537730, 699049, 1075460, 1398098, 2796196, 3495245, 6990490, 13980980]

約数ペア:

[(1, 13980980), (2, 6990490), (4, 3495245), (5, 2796196), (10, 1398098), (13, 1075460), (20, 699049), (26, 537730), (52, 268865), (65, 215092), (130, 107546), (260, 53773)]