40000868992

素因数分解:

$2^7\times 7^1\times {\mathrm{149}}^1\times {\mathrm{299623}}^1$

素因数の和:299793

約数の個数: 64

約数和(自身を含む): 91684944000

約数和(自身を除く): 51684075008

約数列:

[1, 2, 4, 7, 8, 14, 16, 28, 32, 56, 64, 112, 128, 149, 224, 298, 448, 596, 896, 1043, 1192, 2086, 2384, 4172, 4768, 8344, 9536, 16688, 19072, 33376, 66752, 133504, 299623, 599246, 1198492, 2097361, 2396984, 4194722, 4793968, 8389444, 9587936, 16778888, 19175872, 33557776, 38351744, 44643827, 67115552, 89287654, 134231104, 178575308, 268462208, 312506789, 357150616, 625013578, 714301232, 1250027156, 1428602464, 2500054312, 2857204928, 5000108624, 5714409856, 10000217248, 20000434496, 40000868992]

約数ペア:

[(1, 40000868992), (2, 20000434496), (4, 10000217248), (7, 5714409856), (8, 5000108624), (14, 2857204928), (16, 2500054312), (28, 1428602464), (32, 1250027156), (56, 714301232), (64, 625013578), (112, 357150616), (128, 312506789), (149, 268462208), (224, 178575308), (298, 134231104), (448, 89287654), (596, 67115552), (896, 44643827), (1043, 38351744), (1192, 33557776), (2086, 19175872), (2384, 16778888), (4172, 9587936), (4768, 8389444), (8344, 4793968), (9536, 4194722), (16688, 2396984), (19072, 2097361), (33376, 1198492), (66752, 599246), (133504, 299623)]