69309640

素因数分解:

$2^3\times 5^1\times {\mathrm{89}}^1\times {\mathrm{19469}}^1$

素因数の和:19569

約数の個数: 32

約数和(自身を含む): 157707000

約数和(自身を除く): 88397360

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 89, 178, 356, 445, 712, 890, 1780, 3560, 19469, 38938, 77876, 97345, 155752, 194690, 389380, 778760, 1732741, 3465482, 6930964, 8663705, 13861928, 17327410, 34654820, 69309640]

約数ペア:

[(1, 69309640), (2, 34654820), (4, 17327410), (5, 13861928), (8, 8663705), (10, 6930964), (20, 3465482), (40, 1732741), (89, 778760), (178, 389380), (356, 194690), (445, 155752), (712, 97345), (890, 77876), (1780, 38938), (3560, 19469)]