65001560

素因数分解:

$2^3\times 5^1\times {\mathrm{13}}^1\times {\mathrm{125003}}^1$

素因数の和:125027

約数の個数: 32

約数和(自身を含む): 157505040

約数和(自身を除く): 92503480

約数列:

[1, 2, 4, 5, 8, 10, 13, 20, 26, 40, 52, 65, 104, 130, 260, 520, 125003, 250006, 500012, 625015, 1000024, 1250030, 1625039, 2500060, 3250078, 5000120, 6500156, 8125195, 13000312, 16250390, 32500780, 65001560]

約数ペア:

[(1, 65001560), (2, 32500780), (4, 16250390), (5, 13000312), (8, 8125195), (10, 6500156), (13, 5000120), (20, 3250078), (26, 2500060), (40, 1625039), (52, 1250030), (65, 1000024), (104, 625015), (130, 500012), (260, 250006), (520, 125003)]