329089280

素因数分解:

$2^8\times 5^1\times {\mathrm{13}}^1\times {\mathrm{19777}}^1$

素因数の和:19811

約数の個数: 72

約数和(自身を含む): 848950872

約数和(自身を除く): 519861592

約数列:

[1, 2, 4, 5, 8, 10, 13, 16, 20, 26, 32, 40, 52, 64, 65, 80, 104, 128, 130, 160, 208, 256, 260, 320, 416, 520, 640, 832, 1040, 1280, 1664, 2080, 3328, 4160, 8320, 16640, 19777, 39554, 79108, 98885, 158216, 197770, 257101, 316432, 395540, 514202, 632864, 791080, 1028404, 1265728, 1285505, 1582160, 2056808, 2531456, 2571010, 3164320, 4113616, 5062912, 5142020, 6328640, 8227232, 10284040, 12657280, 16454464, 20568080, 25314560, 32908928, 41136160, 65817856, 82272320, 164544640, 329089280]

約数ペア:

[(1, 329089280), (2, 164544640), (4, 82272320), (5, 65817856), (8, 41136160), (10, 32908928), (13, 25314560), (16, 20568080), (20, 16454464), (26, 12657280), (32, 10284040), (40, 8227232), (52, 6328640), (64, 5142020), (65, 5062912), (80, 4113616), (104, 3164320), (128, 2571010), (130, 2531456), (160, 2056808), (208, 1582160), (256, 1285505), (260, 1265728), (320, 1028404), (416, 791080), (520, 632864), (640, 514202), (832, 395540), (1040, 316432), (1280, 257101), (1664, 197770), (2080, 158216), (3328, 98885), (4160, 79108), (8320, 39554), (16640, 19777)]