13197440

素因数分解:

$2^7\times 5^1\times {\mathrm{17}}^1\times {\mathrm{1213}}^1$

素因数の和:1249

約数の個数: 64

約数和(自身を含む): 33433560

約数和(自身を除く): 20236120

約数列:

[1, 2, 4, 5, 8, 10, 16, 17, 20, 32, 34, 40, 64, 68, 80, 85, 128, 136, 160, 170, 272, 320, 340, 544, 640, 680, 1088, 1213, 1360, 2176, 2426, 2720, 4852, 5440, 6065, 9704, 10880, 12130, 19408, 20621, 24260, 38816, 41242, 48520, 77632, 82484, 97040, 103105, 155264, 164968, 194080, 206210, 329936, 388160, 412420, 659872, 776320, 824840, 1319744, 1649680, 2639488, 3299360, 6598720, 13197440]

約数ペア:

[(1, 13197440), (2, 6598720), (4, 3299360), (5, 2639488), (8, 1649680), (10, 1319744), (16, 824840), (17, 776320), (20, 659872), (32, 412420), (34, 388160), (40, 329936), (64, 206210), (68, 194080), (80, 164968), (85, 155264), (128, 103105), (136, 97040), (160, 82484), (170, 77632), (272, 48520), (320, 41242), (340, 38816), (544, 24260), (640, 20621), (680, 19408), (1088, 12130), (1213, 10880), (1360, 9704), (2176, 6065), (2426, 5440), (2720, 4852)]