65770240

素因数分解:

$2^8\times 5^1\times {\mathrm{51383}}^1$

素因数の和:51404

約数の個数: 36

約数和(自身を含む): 157543344

約数和(自身を除く): 91773104

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 64, 80, 128, 160, 256, 320, 640, 1280, 51383, 102766, 205532, 256915, 411064, 513830, 822128, 1027660, 1644256, 2055320, 3288512, 4110640, 6577024, 8221280, 13154048, 16442560, 32885120, 65770240]

約数ペア:

[(1, 65770240), (2, 32885120), (4, 16442560), (5, 13154048), (8, 8221280), (10, 6577024), (16, 4110640), (20, 3288512), (32, 2055320), (40, 1644256), (64, 1027660), (80, 822128), (128, 513830), (160, 411064), (256, 256915), (320, 205532), (640, 102766), (1280, 51383)]