43453640

素因数分解:

$2^3\times 5^1\times {\mathrm{53}}^1\times {\mathrm{103}}^1\times {\mathrm{199}}^1$

素因数の和:366

約数の個数: 64

約数和(自身を含む): 101088000

約数和(自身を除く): 57634360

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 53, 103, 106, 199, 206, 212, 265, 398, 412, 424, 515, 530, 796, 824, 995, 1030, 1060, 1592, 1990, 2060, 2120, 3980, 4120, 5459, 7960, 10547, 10918, 20497, 21094, 21836, 27295, 40994, 42188, 43672, 52735, 54590, 81988, 84376, 102485, 105470, 109180, 163976, 204970, 210940, 218360, 409940, 421880, 819880, 1086341, 2172682, 4345364, 5431705, 8690728, 10863410, 21726820, 43453640]

約数ペア:

[(1, 43453640), (2, 21726820), (4, 10863410), (5, 8690728), (8, 5431705), (10, 4345364), (20, 2172682), (40, 1086341), (53, 819880), (103, 421880), (106, 409940), (199, 218360), (206, 210940), (212, 204970), (265, 163976), (398, 109180), (412, 105470), (424, 102485), (515, 84376), (530, 81988), (796, 54590), (824, 52735), (995, 43672), (1030, 42188), (1060, 40994), (1592, 27295), (1990, 21836), (2060, 21094), (2120, 20497), (3980, 10918), (4120, 10547), (5459, 7960)]