39995870

素因数分解:

$2^1\times 5^1\times {\mathrm{61}}^1\times {\mathrm{173}}^1\times {\mathrm{379}}^1$

素因数の和:620

約数の個数: 32

約数和(自身を含む): 73789920

約数和(自身を除く): 33794050

約数列:

[1, 2, 5, 10, 61, 122, 173, 305, 346, 379, 610, 758, 865, 1730, 1895, 3790, 10553, 21106, 23119, 46238, 52765, 65567, 105530, 115595, 131134, 231190, 327835, 655670, 3999587, 7999174, 19997935, 39995870]

約数ペア:

[(1, 39995870), (2, 19997935), (5, 7999174), (10, 3999587), (61, 655670), (122, 327835), (173, 231190), (305, 131134), (346, 115595), (379, 105530), (610, 65567), (758, 52765), (865, 46238), (1730, 23119), (1895, 21106), (3790, 10553)]