180503440

素因数分解:

$2^4\times 5^1\times {\mathrm{13}}^1\times {\mathrm{173561}}^1$

素因数の和:173587

約数の個数: 40

約数和(自身を含む): 451955448

約数和(自身を除く): 271452008

約数列:

[1, 2, 4, 5, 8, 10, 13, 16, 20, 26, 40, 52, 65, 80, 104, 130, 208, 260, 520, 1040, 173561, 347122, 694244, 867805, 1388488, 1735610, 2256293, 2776976, 3471220, 4512586, 6942440, 9025172, 11281465, 13884880, 18050344, 22562930, 36100688, 45125860, 90251720, 180503440]

約数ペア:

[(1, 180503440), (2, 90251720), (4, 45125860), (5, 36100688), (8, 22562930), (10, 18050344), (13, 13884880), (16, 11281465), (20, 9025172), (26, 6942440), (40, 4512586), (52, 3471220), (65, 2776976), (80, 2256293), (104, 1735610), (130, 1388488), (208, 867805), (260, 694244), (520, 347122), (1040, 173561)]