16420640

素因数分解:

$2^5\times 5^1\times {\mathrm{17}}^1\times {\mathrm{6037}}^1$

素因数の和:6069

約数の個数: 48

約数和(自身を含む): 41082552

約数和(自身を除く): 24661912

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, 6037, 12074, 24148, 30185, 48296, 60370, 96592, 102629, 120740, 193184, 205258, 241480, 410516, 482960, 513145, 821032, 965920, 1026290, 1642064, 2052580, 3284128, 4105160, 8210320, 16420640]

約数ペア:

[(1, 16420640), (2, 8210320), (4, 4105160), (5, 3284128), (8, 2052580), (10, 1642064), (16, 1026290), (17, 965920), (20, 821032), (32, 513145), (34, 482960), (40, 410516), (68, 241480), (80, 205258), (85, 193184), (136, 120740), (160, 102629), (170, 96592), (272, 60370), (340, 48296), (544, 30185), (680, 24148), (1360, 12074), (2720, 6037)]