20158032040

素因数分解:

$2^3\times 5^1\times {\mathrm{59}}^1\times {\mathrm{137}}^1\times {\mathrm{62347}}^1$

素因数の和:62554

約数の個数: 64

約数和(自身を含む): 46461729600

約数和(自身を除く): 26303697560

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 59, 118, 137, 236, 274, 295, 472, 548, 590, 685, 1096, 1180, 1370, 2360, 2740, 5480, 8083, 16166, 32332, 40415, 62347, 64664, 80830, 124694, 161660, 249388, 311735, 323320, 498776, 623470, 1246940, 2493880, 3678473, 7356946, 8541539, 14713892, 17083078, 18392365, 29427784, 34166156, 36784730, 42707695, 68332312, 73569460, 85415390, 147138920, 170830780, 341661560, 503950801, 1007901602, 2015803204, 2519754005, 4031606408, 5039508010, 10079016020, 20158032040]

約数ペア:

[(1, 20158032040), (2, 10079016020), (4, 5039508010), (5, 4031606408), (8, 2519754005), (10, 2015803204), (20, 1007901602), (40, 503950801), (59, 341661560), (118, 170830780), (137, 147138920), (236, 85415390), (274, 73569460), (295, 68332312), (472, 42707695), (548, 36784730), (590, 34166156), (685, 29427784), (1096, 18392365), (1180, 17083078), (1370, 14713892), (2360, 8541539), (2740, 7356946), (5480, 3678473), (8083, 2493880), (16166, 1246940), (32332, 623470), (40415, 498776), (62347, 323320), (64664, 311735), (80830, 249388), (124694, 161660)]