20161735520

素因数分解:

$2^5\times 5^1\times {\mathrm{4973}}^1\times {\mathrm{25339}}^1$

素因数の和:30327

約数の個数: 48

約数和(自身を含む): 47643558480

約数和(自身を除く): 27481822960

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 80, 160, 4973, 9946, 19892, 24865, 25339, 39784, 49730, 50678, 79568, 99460, 101356, 126695, 159136, 198920, 202712, 253390, 397840, 405424, 506780, 795680, 810848, 1013560, 2027120, 4054240, 126010847, 252021694, 504043388, 630054235, 1008086776, 1260108470, 2016173552, 2520216940, 4032347104, 5040433880, 10080867760, 20161735520]

約数ペア:

[(1, 20161735520), (2, 10080867760), (4, 5040433880), (5, 4032347104), (8, 2520216940), (10, 2016173552), (16, 1260108470), (20, 1008086776), (32, 630054235), (40, 504043388), (80, 252021694), (160, 126010847), (4973, 4054240), (9946, 2027120), (19892, 1013560), (24865, 810848), (25339, 795680), (39784, 506780), (49730, 405424), (50678, 397840), (79568, 253390), (99460, 202712), (101356, 198920), (126695, 159136)]