1312480

素因数分解:

$2^5\times 5^1\times {\mathrm{13}}^1\times {\mathrm{631}}^1$

素因数の和:659

約数の個数: 48

約数和(自身を含む): 3344544

約数和(自身を除く): 2032064

約数列:

[1, 2, 4, 5, 8, 10, 13, 16, 20, 26, 32, 40, 52, 65, 80, 104, 130, 160, 208, 260, 416, 520, 631, 1040, 1262, 2080, 2524, 3155, 5048, 6310, 8203, 10096, 12620, 16406, 20192, 25240, 32812, 41015, 50480, 65624, 82030, 100960, 131248, 164060, 262496, 328120, 656240, 1312480]

約数ペア:

[(1, 1312480), (2, 656240), (4, 328120), (5, 262496), (8, 164060), (10, 131248), (13, 100960), (16, 82030), (20, 65624), (26, 50480), (32, 41015), (40, 32812), (52, 25240), (65, 20192), (80, 16406), (104, 12620), (130, 10096), (160, 8203), (208, 6310), (260, 5048), (416, 3155), (520, 2524), (631, 2080), (1040, 1262)]