40644220

素因数分解:

$2^2\times 5^1\times {\mathrm{23}}^1\times {\mathrm{149}}^1\times {\mathrm{593}}^1$

素因数の和:774

約数の個数: 48

約数和(自身を含む): 89812800

約数和(自身を除く): 49168580

約数列:

[1, 2, 4, 5, 10, 20, 23, 46, 92, 115, 149, 230, 298, 460, 593, 596, 745, 1186, 1490, 2372, 2965, 2980, 3427, 5930, 6854, 11860, 13639, 13708, 17135, 27278, 34270, 54556, 68195, 68540, 88357, 136390, 176714, 272780, 353428, 441785, 883570, 1767140, 2032211, 4064422, 8128844, 10161055, 20322110, 40644220]

約数ペア:

[(1, 40644220), (2, 20322110), (4, 10161055), (5, 8128844), (10, 4064422), (20, 2032211), (23, 1767140), (46, 883570), (92, 441785), (115, 353428), (149, 272780), (230, 176714), (298, 136390), (460, 88357), (593, 68540), (596, 68195), (745, 54556), (1186, 34270), (1490, 27278), (2372, 17135), (2965, 13708), (2980, 13639), (3427, 11860), (5930, 6854)]