80169440

素因数分解:

$2^5\times 5^1\times {\mathrm{13}}^1\times {\mathrm{38543}}^1$

素因数の和:38571

約数の個数: 48

約数和(自身を含む): 203974848

約数和(自身を除く): 123805408

約数列:

[1, 2, 4, 5, 8, 10, 13, 16, 20, 26, 32, 40, 52, 65, 80, 104, 130, 160, 208, 260, 416, 520, 1040, 2080, 38543, 77086, 154172, 192715, 308344, 385430, 501059, 616688, 770860, 1002118, 1233376, 1541720, 2004236, 2505295, 3083440, 4008472, 5010590, 6166880, 8016944, 10021180, 16033888, 20042360, 40084720, 80169440]

約数ペア:

[(1, 80169440), (2, 40084720), (4, 20042360), (5, 16033888), (8, 10021180), (10, 8016944), (13, 6166880), (16, 5010590), (20, 4008472), (26, 3083440), (32, 2505295), (40, 2004236), (52, 1541720), (65, 1233376), (80, 1002118), (104, 770860), (130, 616688), (160, 501059), (208, 385430), (260, 308344), (416, 192715), (520, 154172), (1040, 77086), (2080, 38543)]