4144120

素因数分解:

$2^3\times 5^1\times {\mathrm{313}}^1\times {\mathrm{331}}^1$

素因数の和:655

約数の個数: 32

約数和(自身を含む): 9382320

約数和(自身を除く): 5238200

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 313, 331, 626, 662, 1252, 1324, 1565, 1655, 2504, 2648, 3130, 3310, 6260, 6620, 12520, 13240, 103603, 207206, 414412, 518015, 828824, 1036030, 2072060, 4144120]

約数ペア:

[(1, 4144120), (2, 2072060), (4, 1036030), (5, 828824), (8, 518015), (10, 414412), (20, 207206), (40, 103603), (313, 13240), (331, 12520), (626, 6620), (662, 6260), (1252, 3310), (1324, 3130), (1565, 2648), (1655, 2504)]