2197697680

素因数分解:

$2^4\times 5^1\times {\mathrm{1019}}^1\times {\mathrm{26959}}^1$

素因数の和:27991

約数の個数: 40

約数和(自身を含む): 5114851200

約数和(自身を除く): 2917153520

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 1019, 2038, 4076, 5095, 8152, 10190, 16304, 20380, 26959, 40760, 53918, 81520, 107836, 134795, 215672, 269590, 431344, 539180, 1078360, 2156720, 27471221, 54942442, 109884884, 137356105, 219769768, 274712210, 439539536, 549424420, 1098848840, 2197697680]

約数ペア:

[(1, 2197697680), (2, 1098848840), (4, 549424420), (5, 439539536), (8, 274712210), (10, 219769768), (16, 137356105), (20, 109884884), (40, 54942442), (80, 27471221), (1019, 2156720), (2038, 1078360), (4076, 539180), (5095, 431344), (8152, 269590), (10190, 215672), (16304, 134795), (20380, 107836), (26959, 81520), (40760, 53918)]