201432920

素因数分解:

$2^3\times 5^1\times {\mathrm{13}}^1\times {\mathrm{387371}}^1$

素因数の和:387395

約数の個数: 32

約数和(自身を含む): 488088720

約数和(自身を除く): 286655800

約数列:

[1, 2, 4, 5, 8, 10, 13, 20, 26, 40, 52, 65, 104, 130, 260, 520, 387371, 774742, 1549484, 1936855, 3098968, 3873710, 5035823, 7747420, 10071646, 15494840, 20143292, 25179115, 40286584, 50358230, 100716460, 201432920]

約数ペア:

[(1, 201432920), (2, 100716460), (4, 50358230), (5, 40286584), (8, 25179115), (10, 20143292), (13, 15494840), (20, 10071646), (26, 7747420), (40, 5035823), (52, 3873710), (65, 3098968), (104, 1936855), (130, 1549484), (260, 774742), (520, 387371)]