15959450

素因数分解:

$2^1\times 5^2\times {\mathrm{13}}^1\times {\mathrm{43}}^1\times {\mathrm{571}}^1$

素因数の和:639

約数の個数: 48

約数和(自身を含む): 32768736

約数和(自身を除く): 16809286

約数列:

[1, 2, 5, 10, 13, 25, 26, 43, 50, 65, 86, 130, 215, 325, 430, 559, 571, 650, 1075, 1118, 1142, 2150, 2795, 2855, 5590, 5710, 7423, 13975, 14275, 14846, 24553, 27950, 28550, 37115, 49106, 74230, 122765, 185575, 245530, 319189, 371150, 613825, 638378, 1227650, 1595945, 3191890, 7979725, 15959450]

約数ペア:

[(1, 15959450), (2, 7979725), (5, 3191890), (10, 1595945), (13, 1227650), (25, 638378), (26, 613825), (43, 371150), (50, 319189), (65, 245530), (86, 185575), (130, 122765), (215, 74230), (325, 49106), (430, 37115), (559, 28550), (571, 27950), (650, 24553), (1075, 14846), (1118, 14275), (1142, 13975), (2150, 7423), (2795, 5710), (2855, 5590)]