85458880

素因数分解:

$2^6\times 5^1\times {\mathrm{13}}^1\times {\mathrm{20543}}^1$

素因数の和:20573

約数の個数: 56

約数和(自身を含む): 219163392

約数和(自身を除く): 133704512

約数列:

[1, 2, 4, 5, 8, 10, 13, 16, 20, 26, 32, 40, 52, 64, 65, 80, 104, 130, 160, 208, 260, 320, 416, 520, 832, 1040, 2080, 4160, 20543, 41086, 82172, 102715, 164344, 205430, 267059, 328688, 410860, 534118, 657376, 821720, 1068236, 1314752, 1335295, 1643440, 2136472, 2670590, 3286880, 4272944, 5341180, 6573760, 8545888, 10682360, 17091776, 21364720, 42729440, 85458880]

約数ペア:

[(1, 85458880), (2, 42729440), (4, 21364720), (5, 17091776), (8, 10682360), (10, 8545888), (13, 6573760), (16, 5341180), (20, 4272944), (26, 3286880), (32, 2670590), (40, 2136472), (52, 1643440), (64, 1335295), (65, 1314752), (80, 1068236), (104, 821720), (130, 657376), (160, 534118), (208, 410860), (260, 328688), (320, 267059), (416, 205430), (520, 164344), (832, 102715), (1040, 82172), (2080, 41086), (4160, 20543)]