15815650

素因数分解:

$2^1\times 5^2\times {\mathrm{37}}^1\times {\mathrm{83}}^1\times {\mathrm{103}}^1$

素因数の和:235

約数の個数: 48

約数和(自身を含む): 30873024

約数和(自身を除く): 15057374

約数列:

[1, 2, 5, 10, 25, 37, 50, 74, 83, 103, 166, 185, 206, 370, 415, 515, 830, 925, 1030, 1850, 2075, 2575, 3071, 3811, 4150, 5150, 6142, 7622, 8549, 15355, 17098, 19055, 30710, 38110, 42745, 76775, 85490, 95275, 153550, 190550, 213725, 316313, 427450, 632626, 1581565, 3163130, 7907825, 15815650]

約数ペア:

[(1, 15815650), (2, 7907825), (5, 3163130), (10, 1581565), (25, 632626), (37, 427450), (50, 316313), (74, 213725), (83, 190550), (103, 153550), (166, 95275), (185, 85490), (206, 76775), (370, 42745), (415, 38110), (515, 30710), (830, 19055), (925, 17098), (1030, 15355), (1850, 8549), (2075, 7622), (2575, 6142), (3071, 5150), (3811, 4150)]