15880280

素因数分解:

$2^3\times 5^1\times {\mathrm{13}}^1\times {\mathrm{30539}}^1$

素因数の和:30563

約数の個数: 32

約数和(自身を含む): 38480400

約数和(自身を除く): 22600120

約数列:

[1, 2, 4, 5, 8, 10, 13, 20, 26, 40, 52, 65, 104, 130, 260, 520, 30539, 61078, 122156, 152695, 244312, 305390, 397007, 610780, 794014, 1221560, 1588028, 1985035, 3176056, 3970070, 7940140, 15880280]

約数ペア:

[(1, 15880280), (2, 7940140), (4, 3970070), (5, 3176056), (8, 1985035), (10, 1588028), (13, 1221560), (20, 794014), (26, 610780), (40, 397007), (52, 305390), (65, 244312), (104, 152695), (130, 122156), (260, 61078), (520, 30539)]