813394970

素因数分解:

$2^1\times 5^1\times {\mathrm{4013}}^1\times {\mathrm{20269}}^1$

素因数の和:24289

約数の個数: 16

約数和(自身を含む): 1464548040

約数和(自身を除く): 651153070

約数列:

[1, 2, 5, 10, 4013, 8026, 20065, 20269, 40130, 40538, 101345, 202690, 81339497, 162678994, 406697485, 813394970]

約数ペア:

[(1, 813394970), (2, 406697485), (5, 162678994), (10, 81339497), (4013, 202690), (8026, 101345), (20065, 40538), (20269, 40130)]