40129504

素因数分解:

$2^5\times {\mathrm{29}}^1\times {\mathrm{83}}^1\times {\mathrm{521}}^1$

素因数の和:643

約数の個数: 48

約数和(自身を含む): 82872720

約数和(自身を除く): 42743216

約数列:

[1, 2, 4, 8, 16, 29, 32, 58, 83, 116, 166, 232, 332, 464, 521, 664, 928, 1042, 1328, 2084, 2407, 2656, 4168, 4814, 8336, 9628, 15109, 16672, 19256, 30218, 38512, 43243, 60436, 77024, 86486, 120872, 172972, 241744, 345944, 483488, 691888, 1254047, 1383776, 2508094, 5016188, 10032376, 20064752, 40129504]

約数ペア:

[(1, 40129504), (2, 20064752), (4, 10032376), (8, 5016188), (16, 2508094), (29, 1383776), (32, 1254047), (58, 691888), (83, 483488), (116, 345944), (166, 241744), (232, 172972), (332, 120872), (464, 86486), (521, 77024), (664, 60436), (928, 43243), (1042, 38512), (1328, 30218), (2084, 19256), (2407, 16672), (2656, 15109), (4168, 9628), (4814, 8336)]