80804490

素因数分解:

$2^1\times 3^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{207191}}^1$

素因数の和:207214

約数の個数: 32

約数和(自身を含む): 208849536

約数和(自身を除く): 128045046

約数列:

[1, 2, 3, 5, 6, 10, 13, 15, 26, 30, 39, 65, 78, 130, 195, 390, 207191, 414382, 621573, 1035955, 1243146, 2071910, 2693483, 3107865, 5386966, 6215730, 8080449, 13467415, 16160898, 26934830, 40402245, 80804490]

約数ペア:

[(1, 80804490), (2, 40402245), (3, 26934830), (5, 16160898), (6, 13467415), (10, 8080449), (13, 6215730), (15, 5386966), (26, 3107865), (30, 2693483), (39, 2071910), (65, 1243146), (78, 1035955), (130, 621573), (195, 414382), (390, 207191)]