191640280

素因数分解:

$2^3\times 5^1\times {\mathrm{13}}^1\times {\mathrm{368539}}^1$

素因数の和:368563

約数の個数: 32

約数和(自身を含む): 464360400

約数和(自身を除く): 272720120

約数列:

[1, 2, 4, 5, 8, 10, 13, 20, 26, 40, 52, 65, 104, 130, 260, 520, 368539, 737078, 1474156, 1842695, 2948312, 3685390, 4791007, 7370780, 9582014, 14741560, 19164028, 23955035, 38328056, 47910070, 95820140, 191640280]

約数ペア:

[(1, 191640280), (2, 95820140), (4, 47910070), (5, 38328056), (8, 23955035), (10, 19164028), (13, 14741560), (20, 9582014), (26, 7370780), (40, 4791007), (52, 3685390), (65, 2948312), (104, 1842695), (130, 1474156), (260, 737078), (520, 368539)]