16465280

素因数分解:

$2^7\times 5^1\times {\mathrm{13}}^1\times {\mathrm{1979}}^1$

素因数の和:2011

約数の個数: 64

約数和(自身を含む): 42411600

約数和(自身を除く): 25946320

約数列:

[1, 2, 4, 5, 8, 10, 13, 16, 20, 26, 32, 40, 52, 64, 65, 80, 104, 128, 130, 160, 208, 260, 320, 416, 520, 640, 832, 1040, 1664, 1979, 2080, 3958, 4160, 7916, 8320, 9895, 15832, 19790, 25727, 31664, 39580, 51454, 63328, 79160, 102908, 126656, 128635, 158320, 205816, 253312, 257270, 316640, 411632, 514540, 633280, 823264, 1029080, 1266560, 1646528, 2058160, 3293056, 4116320, 8232640, 16465280]

約数ペア:

[(1, 16465280), (2, 8232640), (4, 4116320), (5, 3293056), (8, 2058160), (10, 1646528), (13, 1266560), (16, 1029080), (20, 823264), (26, 633280), (32, 514540), (40, 411632), (52, 316640), (64, 257270), (65, 253312), (80, 205816), (104, 158320), (128, 128635), (130, 126656), (160, 102908), (208, 79160), (260, 63328), (320, 51454), (416, 39580), (520, 31664), (640, 25727), (832, 19790), (1040, 15832), (1664, 9895), (1979, 8320), (2080, 7916), (3958, 4160)]