51780640

素因数分解:

$2^5\times 5^1\times {\mathrm{17}}^1\times {\mathrm{19037}}^1$

素因数の和:19069

約数の個数: 48

約数和(自身を含む): 129534552

約数和(自身を除く): 77753912

約数列:

[1, 2, 4, 5, 8, 10, 16, 17, 20, 32, 34, 40, 68, 80, 85, 136, 160, 170, 272, 340, 544, 680, 1360, 2720, 19037, 38074, 76148, 95185, 152296, 190370, 304592, 323629, 380740, 609184, 647258, 761480, 1294516, 1522960, 1618145, 2589032, 3045920, 3236290, 5178064, 6472580, 10356128, 12945160, 25890320, 51780640]

約数ペア:

[(1, 51780640), (2, 25890320), (4, 12945160), (5, 10356128), (8, 6472580), (10, 5178064), (16, 3236290), (17, 3045920), (20, 2589032), (32, 1618145), (34, 1522960), (40, 1294516), (68, 761480), (80, 647258), (85, 609184), (136, 380740), (160, 323629), (170, 304592), (272, 190370), (340, 152296), (544, 95185), (680, 76148), (1360, 38074), (2720, 19037)]