17716840

素因数分解:

$2^3\times 5^1\times {\mathrm{53}}^1\times {\mathrm{61}}^1\times {\mathrm{137}}^1$

素因数の和:262

約数の個数: 64

約数和(自身を含む): 41582160

約数和(自身を除く): 23865320

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 53, 61, 106, 122, 137, 212, 244, 265, 274, 305, 424, 488, 530, 548, 610, 685, 1060, 1096, 1220, 1370, 2120, 2440, 2740, 3233, 5480, 6466, 7261, 8357, 12932, 14522, 16165, 16714, 25864, 29044, 32330, 33428, 36305, 41785, 58088, 64660, 66856, 72610, 83570, 129320, 145220, 167140, 290440, 334280, 442921, 885842, 1771684, 2214605, 3543368, 4429210, 8858420, 17716840]

約数ペア:

[(1, 17716840), (2, 8858420), (4, 4429210), (5, 3543368), (8, 2214605), (10, 1771684), (20, 885842), (40, 442921), (53, 334280), (61, 290440), (106, 167140), (122, 145220), (137, 129320), (212, 83570), (244, 72610), (265, 66856), (274, 64660), (305, 58088), (424, 41785), (488, 36305), (530, 33428), (548, 32330), (610, 29044), (685, 25864), (1060, 16714), (1096, 16165), (1220, 14522), (1370, 12932), (2120, 8357), (2440, 7261), (2740, 6466), (3233, 5480)]