40130870

素因数分解:

$2^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{197}}^1\times {\mathrm{1567}}^1$

素因数の和:1784

約数の個数: 32

約数和(自身を含む): 78236928

約数和(自身を除く): 38106058

約数列:

[1, 2, 5, 10, 13, 26, 65, 130, 197, 394, 985, 1567, 1970, 2561, 3134, 5122, 7835, 12805, 15670, 20371, 25610, 40742, 101855, 203710, 308699, 617398, 1543495, 3086990, 4013087, 8026174, 20065435, 40130870]

約数ペア:

[(1, 40130870), (2, 20065435), (5, 8026174), (10, 4013087), (13, 3086990), (26, 1543495), (65, 617398), (130, 308699), (197, 203710), (394, 101855), (985, 40742), (1567, 25610), (1970, 20371), (2561, 15670), (3134, 12805), (5122, 7835)]