20145307040

素因数分解:

$2^5\times 5^1\times {\mathrm{29}}^1\times {\mathrm{4341661}}^1$

素因数の和:4341705

約数の個数: 48

約数和(自身を含む): 49234447080

約数和(自身を除く): 29089140040

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 29, 32, 40, 58, 80, 116, 145, 160, 232, 290, 464, 580, 928, 1160, 2320, 4640, 4341661, 8683322, 17366644, 21708305, 34733288, 43416610, 69466576, 86833220, 125908169, 138933152, 173666440, 251816338, 347332880, 503632676, 629540845, 694665760, 1007265352, 1259081690, 2014530704, 2518163380, 4029061408, 5036326760, 10072653520, 20145307040]

約数ペア:

[(1, 20145307040), (2, 10072653520), (4, 5036326760), (5, 4029061408), (8, 2518163380), (10, 2014530704), (16, 1259081690), (20, 1007265352), (29, 694665760), (32, 629540845), (40, 503632676), (58, 347332880), (80, 251816338), (116, 173666440), (145, 138933152), (160, 125908169), (232, 86833220), (290, 69466576), (464, 43416610), (580, 34733288), (928, 21708305), (1160, 17366644), (2320, 8683322), (4640, 4341661)]