145906280

素因数分解:

$2^3\times 5^1\times {\mathrm{13}}^1\times {\mathrm{280589}}^1$

素因数の和:280613

約数の個数: 32

約数和(自身を含む): 353543400

約数和(自身を除く): 207637120

約数列:

[1, 2, 4, 5, 8, 10, 13, 20, 26, 40, 52, 65, 104, 130, 260, 520, 280589, 561178, 1122356, 1402945, 2244712, 2805890, 3647657, 5611780, 7295314, 11223560, 14590628, 18238285, 29181256, 36476570, 72953140, 145906280]

約数ペア:

[(1, 145906280), (2, 72953140), (4, 36476570), (5, 29181256), (8, 18238285), (10, 14590628), (13, 11223560), (20, 7295314), (26, 5611780), (40, 3647657), (52, 2805890), (65, 2244712), (104, 1402945), (130, 1122356), (260, 561178), (520, 280589)]