1949968280

素因数分解:

$2^3\times 5^1\times {\mathrm{13}}^1\times {\mathrm{3749939}}^1$

素因数の和:3749963

約数の個数: 32

約数和(自身を含む): 4724924400

約数和(自身を除く): 2774956120

約数列:

[1, 2, 4, 5, 8, 10, 13, 20, 26, 40, 52, 65, 104, 130, 260, 520, 3749939, 7499878, 14999756, 18749695, 29999512, 37499390, 48749207, 74998780, 97498414, 149997560, 194996828, 243746035, 389993656, 487492070, 974984140, 1949968280]

約数ペア:

[(1, 1949968280), (2, 974984140), (4, 487492070), (5, 389993656), (8, 243746035), (10, 194996828), (13, 149997560), (20, 97498414), (26, 74998780), (40, 48749207), (52, 37499390), (65, 29999512), (104, 18749695), (130, 14999756), (260, 7499878), (520, 3749939)]