40816256

素因数分解:

$2^7\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{1291}}^1$

素因数の和:1337

約数の個数: 64

約数和(自身を含む): 92248800

約数和(自身を除く): 51432544

約数列:

[1, 2, 4, 8, 13, 16, 19, 26, 32, 38, 52, 64, 76, 104, 128, 152, 208, 247, 304, 416, 494, 608, 832, 988, 1216, 1291, 1664, 1976, 2432, 2582, 3952, 5164, 7904, 10328, 15808, 16783, 20656, 24529, 31616, 33566, 41312, 49058, 67132, 82624, 98116, 134264, 165248, 196232, 268528, 318877, 392464, 537056, 637754, 784928, 1074112, 1275508, 1569856, 2148224, 2551016, 3139712, 5102032, 10204064, 20408128, 40816256]

約数ペア:

[(1, 40816256), (2, 20408128), (4, 10204064), (8, 5102032), (13, 3139712), (16, 2551016), (19, 2148224), (26, 1569856), (32, 1275508), (38, 1074112), (52, 784928), (64, 637754), (76, 537056), (104, 392464), (128, 318877), (152, 268528), (208, 196232), (247, 165248), (304, 134264), (416, 98116), (494, 82624), (608, 67132), (832, 49058), (988, 41312), (1216, 33566), (1291, 31616), (1664, 24529), (1976, 20656), (2432, 16783), (2582, 15808), (3952, 10328), (5164, 7904)]