2017840760

素因数分解:

$2^3\times 5^1\times {\mathrm{13}}^1\times {\mathrm{139}}^1\times {\mathrm{27917}}^1$

素因数の和:28080

約数の個数: 64

約数和(自身を含む): 4924735200

約数和(自身を除く): 2906894440

約数列:

[1, 2, 4, 5, 8, 10, 13, 20, 26, 40, 52, 65, 104, 130, 139, 260, 278, 520, 556, 695, 1112, 1390, 1807, 2780, 3614, 5560, 7228, 9035, 14456, 18070, 27917, 36140, 55834, 72280, 111668, 139585, 223336, 279170, 362921, 558340, 725842, 1116680, 1451684, 1814605, 2903368, 3629210, 3880463, 7258420, 7760926, 14516840, 15521852, 19402315, 31043704, 38804630, 50446019, 77609260, 100892038, 155218520, 201784076, 252230095, 403568152, 504460190, 1008920380, 2017840760]

約数ペア:

[(1, 2017840760), (2, 1008920380), (4, 504460190), (5, 403568152), (8, 252230095), (10, 201784076), (13, 155218520), (20, 100892038), (26, 77609260), (40, 50446019), (52, 38804630), (65, 31043704), (104, 19402315), (130, 15521852), (139, 14516840), (260, 7760926), (278, 7258420), (520, 3880463), (556, 3629210), (695, 2903368), (1112, 1814605), (1390, 1451684), (1807, 1116680), (2780, 725842), (3614, 558340), (5560, 362921), (7228, 279170), (9035, 223336), (14456, 139585), (18070, 111668), (27917, 72280), (36140, 55834)]