13201520

素因数分解:

$2^4\times 5^1\times {\mathrm{17}}^2\times {\mathrm{571}}^1$

素因数の和:618

約数の個数: 60

約数和(自身を含む): 32662344

約数和(自身を除く): 19460824

約数列:

[1, 2, 4, 5, 8, 10, 16, 17, 20, 34, 40, 68, 80, 85, 136, 170, 272, 289, 340, 571, 578, 680, 1142, 1156, 1360, 1445, 2284, 2312, 2855, 2890, 4568, 4624, 5710, 5780, 9136, 9707, 11420, 11560, 19414, 22840, 23120, 38828, 45680, 48535, 77656, 97070, 155312, 165019, 194140, 330038, 388280, 660076, 776560, 825095, 1320152, 1650190, 2640304, 3300380, 6600760, 13201520]

約数ペア:

[(1, 13201520), (2, 6600760), (4, 3300380), (5, 2640304), (8, 1650190), (10, 1320152), (16, 825095), (17, 776560), (20, 660076), (34, 388280), (40, 330038), (68, 194140), (80, 165019), (85, 155312), (136, 97070), (170, 77656), (272, 48535), (289, 45680), (340, 38828), (571, 23120), (578, 22840), (680, 19414), (1142, 11560), (1156, 11420), (1360, 9707), (1445, 9136), (2284, 5780), (2312, 5710), (2855, 4624), (2890, 4568)]