69360980

素因数分解:

$2^2\times 5^1\times {\mathrm{13}}^2\times {\mathrm{20521}}^1$

素因数の和:20556

約数の個数: 36

約数和(自身を含む): 157732092

約数和(自身を除く): 88371112

約数列:

[1, 2, 4, 5, 10, 13, 20, 26, 52, 65, 130, 169, 260, 338, 676, 845, 1690, 3380, 20521, 41042, 82084, 102605, 205210, 266773, 410420, 533546, 1067092, 1333865, 2667730, 3468049, 5335460, 6936098, 13872196, 17340245, 34680490, 69360980]

約数ペア:

[(1, 69360980), (2, 34680490), (4, 17340245), (5, 13872196), (10, 6936098), (13, 5335460), (20, 3468049), (26, 2667730), (52, 1333865), (65, 1067092), (130, 533546), (169, 410420), (260, 266773), (338, 205210), (676, 102605), (845, 82084), (1690, 41042), (3380, 20521)]