13019620

素因数分解:

$2^2\times 5^1\times {\mathrm{17}}^1\times {\mathrm{149}}^1\times {\mathrm{257}}^1$

素因数の和:432

約数の個数: 48

約数和(自身を含む): 29257200

約数和(自身を除く): 16237580

約数列:

[1, 2, 4, 5, 10, 17, 20, 34, 68, 85, 149, 170, 257, 298, 340, 514, 596, 745, 1028, 1285, 1490, 2533, 2570, 2980, 4369, 5066, 5140, 8738, 10132, 12665, 17476, 21845, 25330, 38293, 43690, 50660, 76586, 87380, 153172, 191465, 382930, 650981, 765860, 1301962, 2603924, 3254905, 6509810, 13019620]

約数ペア:

[(1, 13019620), (2, 6509810), (4, 3254905), (5, 2603924), (10, 1301962), (17, 765860), (20, 650981), (34, 382930), (68, 191465), (85, 153172), (149, 87380), (170, 76586), (257, 50660), (298, 43690), (340, 38293), (514, 25330), (596, 21845), (745, 17476), (1028, 12665), (1285, 10132), (1490, 8738), (2533, 5140), (2570, 5066), (2980, 4369)]