16523780

素因数分解:

$2^2\times 5^1\times 7^2\times {\mathrm{13}}^1\times {\mathrm{1297}}^1$

素因数の和:1333

約数の個数: 72

約数和(自身を含む): 43503768

約数和(自身を除く): 26979988

約数列:

[1, 2, 4, 5, 7, 10, 13, 14, 20, 26, 28, 35, 49, 52, 65, 70, 91, 98, 130, 140, 182, 196, 245, 260, 364, 455, 490, 637, 910, 980, 1274, 1297, 1820, 2548, 2594, 3185, 5188, 6370, 6485, 9079, 12740, 12970, 16861, 18158, 25940, 33722, 36316, 45395, 63553, 67444, 84305, 90790, 118027, 127106, 168610, 181580, 236054, 254212, 317765, 337220, 472108, 590135, 635530, 826189, 1180270, 1271060, 1652378, 2360540, 3304756, 4130945, 8261890, 16523780]

約数ペア:

[(1, 16523780), (2, 8261890), (4, 4130945), (5, 3304756), (7, 2360540), (10, 1652378), (13, 1271060), (14, 1180270), (20, 826189), (26, 635530), (28, 590135), (35, 472108), (49, 337220), (52, 317765), (65, 254212), (70, 236054), (91, 181580), (98, 168610), (130, 127106), (140, 118027), (182, 90790), (196, 84305), (245, 67444), (260, 63553), (364, 45395), (455, 36316), (490, 33722), (637, 25940), (910, 18158), (980, 16861), (1274, 12970), (1297, 12740), (1820, 9079), (2548, 6485), (2594, 6370), (3185, 5188)]