1640190470

素因数分解:

$2^1\times 5^1\times {\mathrm{31}}^1\times {\mathrm{53}}^1\times {\mathrm{99829}}^1$

素因数の和:99920

約数の個数: 32

約数和(自身を含む): 3105112320

約数和(自身を除く): 1464921850

約数列:

[1, 2, 5, 10, 31, 53, 62, 106, 155, 265, 310, 530, 1643, 3286, 8215, 16430, 99829, 199658, 499145, 998290, 3094699, 5290937, 6189398, 10581874, 15473495, 26454685, 30946990, 52909370, 164019047, 328038094, 820095235, 1640190470]

約数ペア:

[(1, 1640190470), (2, 820095235), (5, 328038094), (10, 164019047), (31, 52909370), (53, 30946990), (62, 26454685), (106, 15473495), (155, 10581874), (265, 6189398), (310, 5290937), (530, 3094699), (1643, 998290), (3286, 499145), (8215, 199658), (16430, 99829)]