201992638520

素因数分解:

$2^3\times 5^1\times {\mathrm{41}}^1\times {\mathrm{1637}}^1\times {\mathrm{75239}}^1$

素因数の和:76928

約数の個数: 64

約数和(自身を含む): 465858993600

約数和(自身を除く): 263866355080

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 41, 82, 164, 205, 328, 410, 820, 1637, 1640, 3274, 6548, 8185, 13096, 16370, 32740, 65480, 67117, 75239, 134234, 150478, 268468, 300956, 335585, 376195, 536936, 601912, 671170, 752390, 1342340, 1504780, 2684680, 3009560, 3084799, 6169598, 12339196, 15423995, 24678392, 30847990, 61695980, 123166243, 123391960, 246332486, 492664972, 615831215, 985329944, 1231662430, 2463324860, 4926649720, 5049815963, 10099631926, 20199263852, 25249079815, 40398527704, 50498159630, 100996319260, 201992638520]

約数ペア:

[(1, 201992638520), (2, 100996319260), (4, 50498159630), (5, 40398527704), (8, 25249079815), (10, 20199263852), (20, 10099631926), (40, 5049815963), (41, 4926649720), (82, 2463324860), (164, 1231662430), (205, 985329944), (328, 615831215), (410, 492664972), (820, 246332486), (1637, 123391960), (1640, 123166243), (3274, 61695980), (6548, 30847990), (8185, 24678392), (13096, 15423995), (16370, 12339196), (32740, 6169598), (65480, 3084799), (67117, 3009560), (75239, 2684680), (134234, 1504780), (150478, 1342340), (268468, 752390), (300956, 671170), (335585, 601912), (376195, 536936)]