2023402760

素因数分解:

$2^3\times 5^1\times {\mathrm{197}}^1\times {\mathrm{461}}^1\times {\mathrm{557}}^1$

素因数の和:1226

約数の個数: 64

約数和(自身を含む): 4593924720

約数和(自身を除く): 2570521960

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 197, 394, 461, 557, 788, 922, 985, 1114, 1576, 1844, 1970, 2228, 2305, 2785, 3688, 3940, 4456, 4610, 5570, 7880, 9220, 11140, 18440, 22280, 90817, 109729, 181634, 219458, 256777, 363268, 438916, 454085, 513554, 548645, 726536, 877832, 908170, 1027108, 1097290, 1283885, 1816340, 2054216, 2194580, 2567770, 3632680, 4389160, 5135540, 10271080, 50585069, 101170138, 202340276, 252925345, 404680552, 505850690, 1011701380, 2023402760]

約数ペア:

[(1, 2023402760), (2, 1011701380), (4, 505850690), (5, 404680552), (8, 252925345), (10, 202340276), (20, 101170138), (40, 50585069), (197, 10271080), (394, 5135540), (461, 4389160), (557, 3632680), (788, 2567770), (922, 2194580), (985, 2054216), (1114, 1816340), (1576, 1283885), (1844, 1097290), (1970, 1027108), (2228, 908170), (2305, 877832), (2785, 726536), (3688, 548645), (3940, 513554), (4456, 454085), (4610, 438916), (5570, 363268), (7880, 256777), (9220, 219458), (11140, 181634), (18440, 109729), (22280, 90817)]