8858420

素因数分解:

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

素因数の和:260

約数の個数: 48

約数和(自身を含む): 19405008

約数和(自身を除く): 10546588

約数列:

[1, 2, 4, 5, 10, 20, 53, 61, 106, 122, 137, 212, 244, 265, 274, 305, 530, 548, 610, 685, 1060, 1220, 1370, 2740, 3233, 6466, 7261, 8357, 12932, 14522, 16165, 16714, 29044, 32330, 33428, 36305, 41785, 64660, 72610, 83570, 145220, 167140, 442921, 885842, 1771684, 2214605, 4429210, 8858420]

約数ペア:

[(1, 8858420), (2, 4429210), (4, 2214605), (5, 1771684), (10, 885842), (20, 442921), (53, 167140), (61, 145220), (106, 83570), (122, 72610), (137, 64660), (212, 41785), (244, 36305), (265, 33428), (274, 32330), (305, 29044), (530, 16714), (548, 16165), (610, 14522), (685, 12932), (1060, 8357), (1220, 7261), (1370, 6466), (2740, 3233)]