80396470

素因数分解:

$2^1\times 5^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{263}}^1\times {\mathrm{397}}^1$

素因数の和:685

約数の個数: 64

約数和(自身を含む): 181564416

約数和(自身を除く): 101167946

約数列:

[1, 2, 5, 7, 10, 11, 14, 22, 35, 55, 70, 77, 110, 154, 263, 385, 397, 526, 770, 794, 1315, 1841, 1985, 2630, 2779, 2893, 3682, 3970, 4367, 5558, 5786, 8734, 9205, 13895, 14465, 18410, 20251, 21835, 27790, 28930, 30569, 40502, 43670, 61138, 101255, 104411, 152845, 202510, 208822, 305690, 522055, 730877, 1044110, 1148521, 1461754, 2297042, 3654385, 5742605, 7308770, 8039647, 11485210, 16079294, 40198235, 80396470]

約数ペア:

[(1, 80396470), (2, 40198235), (5, 16079294), (7, 11485210), (10, 8039647), (11, 7308770), (14, 5742605), (22, 3654385), (35, 2297042), (55, 1461754), (70, 1148521), (77, 1044110), (110, 730877), (154, 522055), (263, 305690), (385, 208822), (397, 202510), (526, 152845), (770, 104411), (794, 101255), (1315, 61138), (1841, 43670), (1985, 40502), (2630, 30569), (2779, 28930), (2893, 27790), (3682, 21835), (3970, 20251), (4367, 18410), (5558, 14465), (5786, 13895), (8734, 9205)]