1650966980

素因数分解:

$2^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{127}}^1\times {\mathrm{49999}}^1$

素因数の和:50148

約数の個数: 48

約数和(自身を含む): 3763200000

約数和(自身を除く): 2112233020

約数列:

[1, 2, 4, 5, 10, 13, 20, 26, 52, 65, 127, 130, 254, 260, 508, 635, 1270, 1651, 2540, 3302, 6604, 8255, 16510, 33020, 49999, 99998, 199996, 249995, 499990, 649987, 999980, 1299974, 2599948, 3249935, 6349873, 6499870, 12699746, 12999740, 25399492, 31749365, 63498730, 82548349, 126997460, 165096698, 330193396, 412741745, 825483490, 1650966980]

約数ペア:

[(1, 1650966980), (2, 825483490), (4, 412741745), (5, 330193396), (10, 165096698), (13, 126997460), (20, 82548349), (26, 63498730), (52, 31749365), (65, 25399492), (127, 12999740), (130, 12699746), (254, 6499870), (260, 6349873), (508, 3249935), (635, 2599948), (1270, 1299974), (1651, 999980), (2540, 649987), (3302, 499990), (6604, 249995), (8255, 199996), (16510, 99998), (33020, 49999)]