65050240

素因数分解:

$2^7\times 5^1\times {\mathrm{101641}}^1$

素因数の和:101660

約数の個数: 32

約数和(自身を含む): 155512260

約数和(自身を除く): 90462020

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 64, 80, 128, 160, 320, 640, 101641, 203282, 406564, 508205, 813128, 1016410, 1626256, 2032820, 3252512, 4065640, 6505024, 8131280, 13010048, 16262560, 32525120, 65050240]

約数ペア:

[(1, 65050240), (2, 32525120), (4, 16262560), (5, 13010048), (8, 8131280), (10, 6505024), (16, 4065640), (20, 3252512), (32, 2032820), (40, 1626256), (64, 1016410), (80, 813128), (128, 508205), (160, 406564), (320, 203282), (640, 101641)]