201960460

素因数分解:

$2^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{197}}^1\times {\mathrm{3943}}^1$

素因数の和:4162

約数の個数: 48

約数和(自身を含む): 459176256

約数和(自身を除く): 257215796

約数列:

[1, 2, 4, 5, 10, 13, 20, 26, 52, 65, 130, 197, 260, 394, 788, 985, 1970, 2561, 3940, 3943, 5122, 7886, 10244, 12805, 15772, 19715, 25610, 39430, 51220, 51259, 78860, 102518, 205036, 256295, 512590, 776771, 1025180, 1553542, 3107084, 3883855, 7767710, 10098023, 15535420, 20196046, 40392092, 50490115, 100980230, 201960460]

約数ペア:

[(1, 201960460), (2, 100980230), (4, 50490115), (5, 40392092), (10, 20196046), (13, 15535420), (20, 10098023), (26, 7767710), (52, 3883855), (65, 3107084), (130, 1553542), (197, 1025180), (260, 776771), (394, 512590), (788, 256295), (985, 205036), (1970, 102518), (2561, 78860), (3940, 51259), (3943, 51220), (5122, 39430), (7886, 25610), (10244, 19715), (12805, 15772)]