71404520

素因数分解:

$2^3\times 5^1\times {\mathrm{11}}^2\times {\mathrm{14753}}^1$

素因数の和:14786

約数の個数: 48

約数和(自身を含む): 176605380

約数和(自身を除く): 105200860

約数列:

[1, 2, 4, 5, 8, 10, 11, 20, 22, 40, 44, 55, 88, 110, 121, 220, 242, 440, 484, 605, 968, 1210, 2420, 4840, 14753, 29506, 59012, 73765, 118024, 147530, 162283, 295060, 324566, 590120, 649132, 811415, 1298264, 1622830, 1785113, 3245660, 3570226, 6491320, 7140452, 8925565, 14280904, 17851130, 35702260, 71404520]

約数ペア:

[(1, 71404520), (2, 35702260), (4, 17851130), (5, 14280904), (8, 8925565), (10, 7140452), (11, 6491320), (20, 3570226), (22, 3245660), (40, 1785113), (44, 1622830), (55, 1298264), (88, 811415), (110, 649132), (121, 590120), (220, 324566), (242, 295060), (440, 162283), (484, 147530), (605, 118024), (968, 73765), (1210, 59012), (2420, 29506), (4840, 14753)]