51840256

素因数分解:

$2^8\times {\mathrm{13}}^1\times {\mathrm{37}}^1\times {\mathrm{421}}^1$

素因数の和:487

約数の個数: 72

約数和(自身を含む): 114721544

約数和(自身を除く): 62881288

約数列:

[1, 2, 4, 8, 13, 16, 26, 32, 37, 52, 64, 74, 104, 128, 148, 208, 256, 296, 416, 421, 481, 592, 832, 842, 962, 1184, 1664, 1684, 1924, 2368, 3328, 3368, 3848, 4736, 5473, 6736, 7696, 9472, 10946, 13472, 15392, 15577, 21892, 26944, 30784, 31154, 43784, 53888, 61568, 62308, 87568, 107776, 123136, 124616, 175136, 202501, 249232, 350272, 405002, 498464, 700544, 810004, 996928, 1401088, 1620008, 1993856, 3240016, 3987712, 6480032, 12960064, 25920128, 51840256]

約数ペア:

[(1, 51840256), (2, 25920128), (4, 12960064), (8, 6480032), (13, 3987712), (16, 3240016), (26, 1993856), (32, 1620008), (37, 1401088), (52, 996928), (64, 810004), (74, 700544), (104, 498464), (128, 405002), (148, 350272), (208, 249232), (256, 202501), (296, 175136), (416, 124616), (421, 123136), (481, 107776), (592, 87568), (832, 62308), (842, 61568), (962, 53888), (1184, 43784), (1664, 31154), (1684, 30784), (1924, 26944), (2368, 21892), (3328, 15577), (3368, 15392), (3848, 13472), (4736, 10946), (5473, 9472), (6736, 7696)]