80981440

素因数分解:

$2^6\times 5^1\times {\mathrm{83}}^1\times {\mathrm{3049}}^1$

素因数の和:3149

約数の個数: 56

約数和(自身を含む): 195224400

約数和(自身を除く): 114242960

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 64, 80, 83, 160, 166, 320, 332, 415, 664, 830, 1328, 1660, 2656, 3049, 3320, 5312, 6098, 6640, 12196, 13280, 15245, 24392, 26560, 30490, 48784, 60980, 97568, 121960, 195136, 243920, 253067, 487840, 506134, 975680, 1012268, 1265335, 2024536, 2530670, 4049072, 5061340, 8098144, 10122680, 16196288, 20245360, 40490720, 80981440]

約数ペア:

[(1, 80981440), (2, 40490720), (4, 20245360), (5, 16196288), (8, 10122680), (10, 8098144), (16, 5061340), (20, 4049072), (32, 2530670), (40, 2024536), (64, 1265335), (80, 1012268), (83, 975680), (160, 506134), (166, 487840), (320, 253067), (332, 243920), (415, 195136), (664, 121960), (830, 97568), (1328, 60980), (1660, 48784), (2656, 30490), (3049, 26560), (3320, 24392), (5312, 15245), (6098, 13280), (6640, 12196)]