2490280

素因数分解:

$2^3\times 5^1\times {\mathrm{13}}^1\times {\mathrm{4789}}^1$

素因数の和:4813

約数の個数: 32

約数和(自身を含む): 6035400

約数和(自身を除く): 3545120

約数列:

[1, 2, 4, 5, 8, 10, 13, 20, 26, 40, 52, 65, 104, 130, 260, 520, 4789, 9578, 19156, 23945, 38312, 47890, 62257, 95780, 124514, 191560, 249028, 311285, 498056, 622570, 1245140, 2490280]

約数ペア:

[(1, 2490280), (2, 1245140), (4, 622570), (5, 498056), (8, 311285), (10, 249028), (13, 191560), (20, 124514), (26, 95780), (40, 62257), (52, 47890), (65, 38312), (104, 23945), (130, 19156), (260, 9578), (520, 4789)]