71405440

素因数分解:

$2^7\times 5^1\times {\mathrm{17}}^1\times {\mathrm{6563}}^1$

素因数の和:6599

約数の個数: 64

約数和(自身を含む): 180772560

約数和(自身を除く): 109367120

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, 1360, 2176, 2720, 5440, 6563, 10880, 13126, 26252, 32815, 52504, 65630, 105008, 111571, 131260, 210016, 223142, 262520, 420032, 446284, 525040, 557855, 840064, 892568, 1050080, 1115710, 1785136, 2100160, 2231420, 3570272, 4200320, 4462840, 7140544, 8925680, 14281088, 17851360, 35702720, 71405440]

約数ペア:

[(1, 71405440), (2, 35702720), (4, 17851360), (5, 14281088), (8, 8925680), (10, 7140544), (16, 4462840), (17, 4200320), (20, 3570272), (32, 2231420), (34, 2100160), (40, 1785136), (64, 1115710), (68, 1050080), (80, 892568), (85, 840064), (128, 557855), (136, 525040), (160, 446284), (170, 420032), (272, 262520), (320, 223142), (340, 210016), (544, 131260), (640, 111571), (680, 105008), (1088, 65630), (1360, 52504), (2176, 32815), (2720, 26252), (5440, 13126), (6563, 10880)]